Last semester, the Alumni Association raised $240 for school activities. This semester, it raised 120% of last semester's amount. How much did the Alumni Association raise for both semesters?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.