The price of mailing a small package is 0.32 for the first once and 0.21 for each additional ounce. she paid 1.16 to mail her package. how much did it weigh

Plz hurry finals a paper cup in the shape of an inverted cone is 8 inches tall and has a radius of 1.5 inches. how much water can the cup hold? use 3.14 for pi. round the answer to the nearest tenth. a) 12.6 cubic in. b) 18.8 cubic in. c) 37.7 cubic in. d) 56.5 cubic in.