Evaluate Expressions Two Variables

r + b

if r=3 and b=5

• 35

• 15

• 8

• None of the above

4w + 3

if w=2

• 11

• 9

• 7

• None of the above

Evaluate the expression if a=3 and b=4.
10 + b 

• 14

• 13

• 7

• 6

Evaluate the expression if a=3 and b=4.
4b - 5a

• 9

• 8

• 1

• 0

Evaluate the expression
when x=8 and y=12.
4x − 2y 

• 4(8) − 2(12)

• 0

• 8

• 4

A rectangle has a dimension that is represented by (2c + 1) and another dimension that is (3 + c). If c = 3, then that is the actual area of this rectangle?

• 13 square units

• 42 square units

• 36 square units

• 12 square units

The length of a rectangle is represented by (5x - 3) and the width is (x + 3). If x = 2, then which of the following values is the actual perimeter of this rectangle?

• 18

• 14

• 24

• 20

• 15

• 25

• 75

• 5

Evaluate the expression if a=3 and b=4.
a² + 1

• 17

• 10

• 33

• 11

Evaluate the expression if a=3 and b=4.
18 ÷ 2a

• 6

• 5

• 2

• 3