Problem 1ED: According to equality property 2, multiplying both sides of an equation by a nonzero number always... Problem 2ED: Replace ? with < or > in each of the following:... Problem 3ED: The solution to Example 5B shows the graph of the inequality x5.What is the graph of x5 ? What is... Problem 1MP: Solve and check: 3x2(2x5)=2(x+3)8 Problem 2MP: Solve and check: x+13x4=12 Problem 3MP: Matched Problem 3 If a cardboard box has length L, width W, and height H, then its surface area is... Problem 4MP: Replace each question mark with either < or >. A2?8B20?0C3?30 Problem 5MP: (A) Write 7,4 as a double inequality and graph. (B) Write x3 in interval notation and graph. Problem 6MP: Solve and graph: 3(x1)5(x+2)5 Problem 7MP: Solve and graph: 83x57 Problem 8MP: Mary paid 8.5 sales tax and a 190 title and license fee when she bought a new car for a total of... Problem 9MP: How many bike computers would a company have to make and sell to break even if the fixed costs are... Problem 10MP: What net annual salary in 1973 would have had the same purchasing power as a net annual salary of... Problem 1E: In Problems 1-6, solve for x. 5x+3=x+23 Problem 2E: In Problems 1-6, solve for x. 7x6=5x24 Problem 3E: In Problems 1-6, solve for x. 9(4x)=2(x+7) Problem 4E: In Problems 1-6, solve for x. 3(x+6)=52(x+1) Problem 5E: In Problems 1-6, solve for x. x+14=x2+5 Problem 6E: In Problems 1-6, solve for x. 2x+135x2=4 Problem 7E: In Problems 7-12, write the interval as an inequality or double inequality. 4,13 Problem 8E: In Problems 7-12, write the interval as an inequality or double inequality. 3,5 Problem 9E: In Problems 7-12, write the interval as an inequality or double inequality. (2,7) Problem 10E: In Problems 7-12, write the interval as an inequality or double inequality [6,1] Problem 11E: In Problems 7-12, write the interval as an inequality or double inequality. ,4 Problem 12E: In Problems 7-12, write the interval as an inequality or double inequality. 9, Problem 13E: In Problems 13-18, write the solution set using interval notation. 8x2 Problem 14E: In Problems 13-18, write the solution set using interval notation. 1x5 Problem 15E: In Problems 13-18, write the solution set using interval notation. 2x18 Problem 16E: In Problems 13-18, write the solution set using interval notation. 3x12 Problem 17E: In Problems 13-18, write the solution set using interval notation. 153x21 Problem 18E: In Problems 13-18, write the solution set using interval notation. 84x12 Problem 19E: In Problems 19-32, find the solution set. x4+12=18 Problem 20E: In Problems 19-32, find the solution set. m34=23 Problem 21E: In Problems 19-32, find the solution set. y532 Problem 22E: In Problems 19-32, find the solution set. x456 Problem 23E: In Problems 19-32, find the solution set. 2u+4=5u+17u Problem 24E: In Problems 19-32, find the solution set. 3y+9+y=138y Problem 25E: In Problems 19-32, find the solution set. 10x+25(x3)=275 Problem 26E: In Problems 19-32, find the solution set. 34x=5x+1 Problem 27E: In Problems 19-32, find the solution set. 3y4y3 Problem 28E: In Problems 19-32, find the solution set. x22x5 Problem 29E: In Problems 19-32, find the solution set. x5x6=65 Problem 30E: In Problems 19-32, find the solution set. y4y3=12 Problem 31E: In Problems 19-32, find the solution set. m5335m2 Problem 32E: In Problems 19-32, find the solution set. u223u3+2 Problem 33E: In Problems 33-36, solve and graph. 23x714 Problem 34E: In Problems 33-36, solve and graph. 45x+621 Problem 35E: In Problems 33-36, solve and graph. 495C+3268 Problem 36E: In Problems 33-36, solve and graph. 123t+511 Problem 37E: In Problems 37-42, solve for the indicated variable. 3x4y=12;fory Problem 38E: In Problems 37-42, solve for the indicated variable. y=23x+8;forx Problem 39E: In Problems 37-42, solve for the indicated variable. Ax+By=C;fory(B0) Problem 40E: In Problems 37-42, solve for the indicated variable. y=mx+b;form Problem 41E: In Problems 37-42, solve for the indicated variable. F=95C+32;forC Problem 42E: In Problems 37-42, solve for the indicated variable. C=59(F32);forF Problem 43E: In Problems 43 and 44, solve and graph. 347x18 Problem 44E: In Problems 43 and 44, solve and graph. 1083u6 Problem 45E: If both a and b are positive numbers and b/a. is greater than 1, then is ab positive or negative? Problem 46E: If both a and b are negative numbers and b/a is greater than 1, then is ab positive or negative? Problem 47E: Ticket sales. A rock concert brought in $432,500 on the sale of 9,500 tickets. If the tickets sold... Problem 48E: Parking meter coins. An all-day parking meter takes only dimes and quarters. If it contains 100... Problem 49E: IRA. You have $500,000 in an IRA (Individual Retirement Account) at the time you retire. You have... Problem 50E: IRA. Refer to Problem 49. How should you divide your money between Fund A and Fund B to produce an... Problem 51E: Car prices. If the price change of cars parallels the change in the CPI (see Table2 in Example 10),... Problem 52E: Home values. If the price change in houses parallels the CPI (see Table 2 in Example 10), what would... Problem 53E: Retail and wholesale prices. Retail prices in a department store are obtained by marking up the... Problem 54E: Retail and sale prices. Sale prices in a department store are obtained by marking down the retail... Problem 55E: Equipment rental. A golf course charges $52 for a round of golf using a set of their clubs, and $44... Problem 56E: Equipment rental. The local supermarket rents carpet cleaners for $20 a day. These cleaners use... Problem 57E: Sales commissions. One employee of a computer store is paid a base salary of $2,000 a month plus an... Problem 58E: Sales commissions. A second employee of the computer store in Problem 57 is paid a base salary of... Problem 59E: Break-even analysis. A publisher for a promising new novel figures fixed costs (overhead, advances,... Problem 60E: Break-even analysis. The publisher of a new book figures fixed costs at $92,000 and variable costs... Problem 61E: Break-even analysis. The publisher in Problem 59 finds that rising prices for paper increase the... Problem 62E: Break-even analysis. The publisher in Problem 60 finds that rising prices for paper increase the... Problem 63E: Wildlife management. A naturalist estimated the total number of rainbow trout in a certain lake... Problem 64E: Temperature conversion. If the temperature for a 24-hour period at an Antarctic station ranged... Problem 65E: Psychology. The IQ (intelligence quotient) is found by dividing the mental age (MA), as indicated on... Problem 66E: Psychology. Refer to Problem 65. If the IQ of a group of 12-year-old children varies between 80 and... format_list_bulleted