If Ann correctly factors an expression that is the difference of two perfect squares, her factors could be
(1) (2x + y) (x − 2y)
(3) (x − 4) (x − 4)
(2) (2x + 3y) (2x − 3y)
(4) (2y − 5) (y − 5)

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15