Help asap pls ocfhvudsivfsbn i have to submit this soon

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

What are the values of each variable in the diagram below?