In planing for his children to go back to school Susan buys several items at a discount. Five items at $1.29 each, three at $1.49 each, six at $1.79 each and nine at $0.99 each. What was the median cost of all items? O a. $1.48 Ob, $1.99 Oc $1.33 Od. $1.39 Oe. $1.29

If the ACTUAL length and width INCREASE by 10%, what is the NEW AREA?A. 202.12 sq feetB. 30.1 sq feetC. 15.5 sq feetD. 183.75 sq feetE. 222.33 sq feet

A footwear retailer sold 12 pairs of sneakers for $45 each, 11 pairs of leather shoes for $140 each, 10 pairs of boots for $230 each, and 2 pairs of sandals for $35 each. Calculate the average price of shoes sold based on weighted average. Round to the nearest cent E

Determine the percentage error in each scenario. Show your work on all problems!!   A dad holds five coins in his hand. He tells his son that if he can guess the amount of money he is holding within 5% error, he can have the money. The son guesses that dad is holding 81 cents. The dad opens his hand and displays 90 cents. Did the son guess close enough to get the money?  A science teacher tells her class that their final project requires students to measure a specific variable and determine the velocity of a car with no more than 2.5% error. Jennifer and Johnny work hard and decide the velocity of the car is 34.87 m/s. The teacher informs them that the actual velocity is 34.15 m/s. Will Jennifer and Johnny pass their final project?  A train is on its way from Chicago, IL to Madison, WI. The trip is said to last 3.15 hours. When the train arrives in Madison, the conductor notices the trip took 3.26 hours. The train company prides itself on always having its trains arrive within a 3%…

Convert the following to a unit rate.  The University reported that there were 33 freshman in the entering class for every 3 advisors.

. Change these percents to decimals by Dividing by 100. % Decimal 25% 0.25 19% a. 288% b. 0.02% c.

A medical researcher randomly assigns 100 high-risk heart patients into two groups. One group will get open heart surgery and the other group will get a transcatheter aortic valve replacement. She will compare the two groups to see how long they live after their procedures. What is the entity? a. the patients b. how long the patients live after their procedures c. ratio scale of measurement d. the heart procedure e. the hospital

Jermaine developed a new test to measure IQ. He claimed that using his test, someone with an IQ of 180 would be considered twice as intelligent as someone with an IQ of 90 and that someone with an IQ of 90 was three times as intelligent as someone with an IQ of 30. Jermaine's test treats IQ as Select one: a. a ratio variable b. an interval variable c. an ordinal variable d. a nominal variable

If AABC ~ ADEC, what is the value of y? 43.8 in. 21 in. A C. 14 in. y in. 1fin. y = %3D Enter E

A scale was used to convert the actual height of a roller coaster track to the height shown in the picture below. The actual height of the track is 66 meters. Which scale could have been used to determine the height of the track in the picture? A. 1 cm = 66 m  B. 1 cm = 33 m C. 1 cm = 11 m D. 1 cm = 6 m