Find the distance between points p (-2,6) and q (4,-8)

Based on what i know about mean, this doesn't add up.

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

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.