Evaluate Expressions

Evaluate when a = 15:
2(a - 5) + 2

• 22

• 27

• 14

• 7

2x + 3 + x²; for x = 4

• 17

• 27

• 19

• 25

8y + 12 - 2z
for y = 4 and z = 2

• 40

• 20

• 84

• 34

Evaluate when x = 2 and y = 5:

2 + (12 - 5x) ⋅ 2y

• 22

• 40

• 142

• -86

• a

• b

• c

• d

• A
• B
• C
• D

• 15

• 12

• 18

• 21

What expression does this number line represent?

• 4n - n

• 2n + n

• 8n - 2n

• 16n - 4n

Write a linear expression for the perimeter of the figure. Then find the perimeter of the figure if x = 3.

• 6x − 8; 10 yd

• 10x − 6; 24 yd

• 16x − 8; 40 yd

• 14x − 8; 34 yd