There are 720 dishes that need to be rinsed. Brian can rinse them in 72 minutes by himself. It will take his friend Eric 144 minutes to rinse these dishes. How long will it take them if they rinse these 720 dishes together?

Vip at (-2,7) dropped her pass and moved to the right on a slope of -9 where can you catch up to her to return her vip pass

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?