Select all of the values that are solutions of x2 + 20 = 12x. X = -10
x = -2
x= 2
x = 10
RETRY

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

What is the slope of the line that contains the points (-2,1) and (0,-3)