What is the slope of the equation 2y=6x-8

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

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

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points