Help with these 2 question and I with give 36 points away and brainliest (pics included)... Only 1 & 2 pls

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

A+b= 17, ab=70, find the value of |a-b|