The time a projectile spends in the air can be modeled by the equation t² -8t + 15 = 0, in which t represents the amount of time traveled, in seconds. which equation is equivalent to t² -8t + 15 = 0?
(t -3)(t + 5) = 0
(t + 3)(t - 5) = 0
(t - 3)(t -5) = 0
(t = 3)(t + 5) = 0

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.