The rectangular prisms below have the same size and shape. What is the combined volume, in cubic inches, of the prisms?

A: 8

B: 16

C: 32

D:64

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