Ajet travels 520 miles in 5 hours how far will it fly in 12,hours what is the rate of speed of the jet

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?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?