In two or more complete sentences, explain how to find the time it takes for a rocket following the path h(x) = -4x^2 + 16x to hit the ground. Then, find the time.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60