Sophie uses 3 cups of peanut butter to make 50 peanut butter cookies at this rate how many cups of peanut butter does she need to make 153 peanut butter cookies

Solve the system of equations. y= 2x y= x^2 - 15

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?