For an ordered pair (x, y) in a relation, the y element represents the a.) range
b.) domain
c.) function
d.) input

Can someone me with these two circle theorem questions asap?

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.

Find the measurement of angle b in the following triangle