Evaluating Expressions

2x + 5(y - 1) when x=8 and y=5

• 20
• 31
• 36
• -4

3(2x + z) when x=8 and z=2

• 12
• 30
• 54
• 60

What is 3x+(5+y) if x=2 and y=7?

• 18
• 28
• 8
• 3

What is 34x-u+16y when x=2 u=14 and y=3?

• 102
• 43
• 2
• 107

What is  X+y+z+a-c      when x=11 y=3 z=4 a=14 and c=10? 

• 22
• 32
• 2
• 17

what is x•x when x=16

• 256
• 32
• 1
• 16

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7

b² + 4
when b = 3

• 10
• 12
• 13
• 11

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

• 42
• 46
• 34
• 58

Evaluate the expression when
x =5    and   z = 4
z²  - 2x

• 6
• 2
• 17
• 26