Which property of equality should be used to cancel the operation performed on the variable in the following equation? 2x= 8

Use the distance formula to determine the distance that point q is from r on the hypotenusebased on a 2-3 ratio.i need asap !

Find the cosine function that is represented in the graph.

Asap will give brainiest to first person to answer what is the measure of angle b in the triangle? enter your answer in the box.m∠b=