Evaluate Algebraic Expression with Replacement

If there is not a number in front of a variable, it is understood to be ....

• 1

• 0

• -1

• 5

5m + 9n if m = -7 and n = 4

• 71

• 1

• -1

• -71

Evaluate the expression below if g=3 and h= -2 g² - 3 (h-g)

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• 9

• 24

• 5

-7w² + 2w if w = -4

• 104

• -64

• -120

• 120

Evaluate when a = 15:
2(a - 5) + 2

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• 27

• 14

• 7

a² - b²
Evaluate if a=4 and b =2

• 4

• 20

• -4

• 12

Evaluate the expression 16 + 36 ÷ b. For b = 4

• 56

• 25

• 24

• 13

Evaluate the expression 14 + x ÷ 2; x = 4

• 16

• 9

• 12

• 18

• 15

• 25

• 75

• 5