6. Let the reduced row echelon form of A be 1 3 04 0 5 0 0 1 3 0 2 0 0 0 1 1 0 0 0 0 0 Determine A if the first, third, and sixth columns of A are 1 and 3 -9 2 (00-0 3 2 5

A survey of 305 adults found that during the last year, 75 traveled by plane but not by train, 75 traveled by train but not by plane, 20 traveled by bus but not by plane or by train, 60 traveled by bus and plane, 35 traveled by all three, and 235 traveled by plane or train. How many did not travel by any of these modes of transportation?

100 student were interviewed.28 took PE, 31 took BIO, 42 took ENG, 9 took PE and BIO, 10 took PE and ENG, 6 took BIO and ENG, 4 took all three subjects. How many students took BIO and PE but not ENG? How many students took none of the three subjects? How many students took PE but not BIO or ENG?

In a survey of 105 people, it was found that 40 have lived only in New York, 35 have lived only in Boston, 12 have lived in only New York and Boston, 2 have lived in only New York and Jacksonville, 3 have lived in only Boston and Jacksonville, 1 has lived in all three, and 4 have lived in none of the cities. How many people have lived only in Jacksonville?

Draw a Diagram At the conclusion of a baseball game whose teams included 10 players, each player on the winning team “gave five” to ( slapped hands with) each player on the losing team. Each player on the winning team also gave five to each other player on the winning team. How many fives were given? Draw a diagram to show your work

On the hard copy of "Quiz for Section 8.2 you are provided with a map with the following numbers. Region 1 has 1000 Republicans and 1200 Democrats Region 2 has 3400 Republicans and 4900 Democrats. Region 3 has 4000 Republicans and 3900 Democrats. Region 4 has 1100 Republicans and 1000 Democrats. The First District consists of Regions 1 and 2: the Second District consists of Regions 3 and 4. The First District has a total of voters, and the Second District has a total of voters. The First District will choose a Democrats with votes for the Democrats while the Second District will choose a Republican with votes for the Republicans,

. A sequence of resistors or other components wired into a circuit one after the other?

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Question 14 of 15 A health inspector must visit 3 of 8 restaurants on Monday. In how many ways can she pick a first, second, and third restaurant to visit? . There are ways.

3. How many three digit numbers can be formed from the set 0, 1, 2, 3 ......... if repetitions are not allowed and the number must be divisible by a. 10 ? b... 25? c. even?