Plz help me I’m stuck plz

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

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

Yvaries inversely as x. y =12 when x=5. find y when x=4