Please help i hate these

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

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm