Please help I'm begging you I will give brainleast???​

The triangles are similar. what is the value of x? enter your answer in the box. x = two right triangles. the larger right triangle is labeled x on the longer leg, 12 on the shorter leg and 20 on the hypotenuse. the smaller triangle is labeled 4 on the longer leg, 3 on the shorter leg, and 5 on the hypotenuse.

How far is x from 5 on a number line?

What is the slope of the line that contains the points (-2,1) and (0,-3)