Which of the following is a polynomial with roots negative square root of 5, square root of 5, and −3?asap x3 − 2x2 − 3x + 6 x3 + 2x2 − 3x − 6 x3 − 3x2 − 5x + 15 x3 + 3x2 − 5x − 15

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?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?