Solving Expressions

If a= 3, b = 2, and c = 1, evaluate the following:

 

                              4a + 3c

15

 -15

-9

9

If a = 3 and b = 2, evaluate the following:

 

                           2a÷b

3

-3

-6

6

Evaluate  6x - 10, if x= 5.

75

55

-4

 20 

If x = 3 and y = 4, evaluate

                  6x - 3y.

29

15

6

30

If x = 3, y = 4 and z = 5, evaluate

 

                 x(y + z + 4)

24

16

None of the above

39

If x = 4, y = 2, and z = 3, evaluate  zx - y2.

8

-8

-16

-17

Solve 24/6 x m  when m = 3

24

18

12

8

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