Fill in the following ratios with the corresponding sides

What is 20+(5 x 2/5 )+ 3 show your work

Ineed someone to me answer my question i have to have this done and knocked out

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.