Determine whether each equation is an identity, a conditional equation, or a contradiction. Give the solution set. 26x - 7=5(5x + 2) - 3

Factor completely. x^8 - 1/81 a) (x^4 + 1/9)(x^2 + 1/3)(x^2 - 1/3) b) (x^4 - 1/9)(x^2 + 1/3)(x^2 - 1/3) c) (x^4 + 1/9)(x^2 - 1/3)2

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.

Arectangle has a length of 6cm by 8cm what is the length of a diagonal of the rectangle