How to write a equation in standard form if slope is 8 and y- intercept is -8

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

The length of the line segment ac is 8x-9 what is the value of x

What is the solution for the following system of equations? use any method to solve. 2x + 8y = 4 x = -3y + 5 question 4 options: x = 14, y= -3 x = 2, y = -3 x = -3, y = -3 x = 12, y = 5