Farid bought x rulers for RM3.90 each and y pieces of sticker for RM1.80 each with the price RM33.90. If the total of rulers and
stickers that he bought is 13, find the value of x and y.

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.