Simplify 5^8/5 please it's for my homework

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle