Find the exact area of the circle with the given diameter.
d = 12.6 cm

a. 39.69 cm2 b. 158.76 cm2 c. 158.76π cm2 d. 39.69π cm2

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