The three side lengths of four triangles are given. Which triangle is a right triangle?
Triangle 1: 13−−−√, 6, 7
Triangle 2: 7, 8, 13
Triangle 3: 10, 11, 12
Triangle 4: 10−−−√, 9, 8

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.

Arectangle has a perimeter of 24 inches. if the width is 5 more than twice the length, what are the dimensions of the rectangle?

Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no