A triangle has sides with lengths of 100 inches, 56 inches, and 80 inches. Is it a right triangle?

Bring the fraction a/a-4 to a denominator of 16-a^2

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4