Evaluating Expressions

Simplify the expression if m = 3 and n = 2:

5m + 10n

• 27

• 35

• 15

• 20

Simplify the following expression if x = 8 and y = -3

x² - xy

• 88

• 40

• -8

• -24

Evaluate x + y + z + a - c when x=11, y = 3, z = 4, a = 14 and c=10?

• 22

• 32

• 2

• 17

Evaluate 4y  if       y = 3

• 7
• 12

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44
• 4

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7

Evaluate the expression.   Let g = 3    h = 9 
4h + 2g + 4

• 42
• 46
• 34
• 58

If p = -6, what does p + 4 equal?

• 10
• -2
• -24
• -3

Simplify the following:  
-8 + (15 - 3) ÷ 4

• -5
• 1
• -11
• 11

Evaluate m - n if m = 29 and n = 11

• 29

• 28

• 19

• 18