Don't show work for multiple choice.

5. After using a 15% off coupon, the price of a sheet cake is $30.94. What was the original price?

a) $35.58

b) $46.41

c) $26.30

d) $36.40

6. Which is not a solution to 3x - 2y = 8?

a) (0, - 4)

b) (- 2, 1)

c) ( 8/3 , 0)

d) (- 2, - 7)

9. Which one is an equation of a line perpendicular to the line y = 2/5 ? + 11 ?

a) y = 5/2x 6

b) y = 5/2x + 8

c) y = 2/5x + 3

d) y = 2/5x - 7

11. Write the equation of the line through (6, - 2) and parallel to the line x - 3y = 5.

a) y = 1/3x 4

b) y = x - 8

c) y = 1/3x

d) y = 3x - 20