**A. Evaluate the expression for x = 3, 2, 1, and 0.**

- 13 + 6x
**B. evaluate the expression for the given values of the variables.**- w + 6 for w = 11
- r - 9 for r = 20
- 17 - 2c for c = 7
- m + 2m + 3 for m = 12
- 9a - 5a for a = 7
- 4 x (21 - 3h) for h = 5
- 7m - 9n for m = 7 and n = 5
- 3x + 4y ÷ 2 for x = 7 and y = 10
- The formula P = 2l + 2w gives the perimeter P of a rectangular room with length
- The formula c = 5(f - 21) ÷ 9 gives the Celsius temperature in c degrees for a Fahrenheit temperature of f degrees. What is the Celsius temperature for a Fahrenheit temperature of 122 degrees?

Answers:

- 31, 25, 19, and 13
- 18, 11, 6, and 3
- 17
- 11
- 3
- 21
- 4
- 42
- 39
- 28
- 24
- 4
- 22
- 41
- 94
- 50 celsius

Reference:

Complete Test Preparation for the GED Test 2014 by Steck-Vaughn