Simplify the fraction. a. (t-2)(t+2)(t-2) / 12
b. (t-2)(t+2)(t-2) / 3
c. 3 (t+2)
d. 3 (t-2)

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250