Please help me out on this test!

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

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.