Apolygon has the following coordinates: a(1,-1), b(-4,-1), c(-4,3), d(1,3). find the length of cd.

Astore is having a sale in which all items are reduced by 20 percent. including tax, jennifer paid $21 for a pair of shorts. if the sales tax is 5 percent, what was the original price of the shorts

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.

The equation ip| = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn?