Caleb buys two pair of jeans, one costing $57 and the other $53. If all jeans are on sale for 20% off, what is total Caleb pays for the two pair of jeans?

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?

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.