The speed s (in miles per hour) of a car driving on ice can by given by s=2.12d√, where d is the stopping distance (in feet). What is the approximate stopping distance of a car traveling 30 miles per hour? Round your answer to the nearest hundredth.

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