1) 13a + 5a

2) Simplify and evaluate for the given values of the variables. Use these values to substitute for the variable: a = 3, c = 4, b = 5, t = 0, x = 2, and y = 1 5(a + c)

3) Simplify and evaluate for the given values of the variables. Use these values to substitute for the variable: a = 3, c = 4, b = 5, t = 0, x = 2, and y = 1 4 + (x + y)

4) Simplify and evaluate for the given values of the variables. Use these values to substitute for the variable: a = 3, c = 4, b = 5, t = 0, x = 2, and y = 1 a(b + c)

5) Simplify and evaluate for the given values of the variables. Use these values to substitute for the variable: a = 3, c = 4, b = 5, t = 0, x = 2, and y = 1 3(2a + b)

6) If someone makes a telephone call and it costs $3.00 for the first minute plus .85 centers for each additional minute, how much would a 40 minute call cost?

7) Total = 5p + 3a + 8p + 1a + 9p + 2a

8) Identify the solution to 34 – 2z = 20

9) Simplify and evaluate for the given values of the variables. Use these values to substitute for the variable: a = 3, c = 4, b = 5, t = 0, x = 2, and y = 1 b^2 + c^2

10) 21x – 10x

11) 3(5am – 4)

12) Simplify and evaluate for the given values of the variables. Use these values to substitute for the variable: a = 3, c = 4, b = 5, t = 0, x = 2, and y = 1 6a + 7b + 8a + 2b

13) Simplify and evaluate for the given values of the variables. Use these values to substitute for the variable: a = 3, c = 4, b = 5, t = 0, x = 2, and y = 1 7(x +2y)

14) Simplify and evaluate for the given values of the variables. Use these values to substitute for the variable: a = 3, c = 4, b = 5, t = 0, x = 2, and y = 1 3(a + 2) + 5a

15) Simplify and evaluate for the given values of the variables. Use these values to substitute for the variable: a = 2, b = 3, c = -2, d=0 3a – 2 b