Jennifer invested $484 in simple interest account. the account earns 2.1%/year. The account now has $655 in it. How long (in months) was the money invested?

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?

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Which best explains why this triangle is or is not a right triangle ?