Suppose that the random variable X has mean μ= 17 and variance σ2= 7.2. What is the variance of 7X− 4? If necessary, round your answer to three decimal places.

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Aline has a slope of . which ordered pairs could be points on a parallel line? check all that apply. (-8, 8) and (2, 2) (-5, -1) and (0, 2) (-3, 6) and (6, -9) (-2, 1) and (3,-2) (0, 2) and (5,5)