Add. (2x + 5) + (3x - 7) a) x - 2 b) x + 2 c) 5x - 2 d) 5x + 2

Given the following similar triangles what is the area of triangle b ? a) 1 b)1.8 c)3.2 d)5

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170