Which expression helps you find the length x of a side of a rectangle that has a diagonal of 15 units and a width of 9 units?
CLEAR CHECK

x2 = 152 – 92

x2 = (15 + 9)2

x2 = 152 + 92

x2 = (15 – 9)2

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39