Use any method to solve the equation. if necessary, round to the nearest hundredth. ! x2 + x − 30 = 0 a. 10, –12 b. 5, –6 c. 5.5, –5.5 d. -5,6

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