What is a quotient in math

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.