Joshua invests $500 at interest rate 7.8%. Felix invests $1000 in an account with the same compounding interest but at 6% interest rate. Model each investment with an exponential growth function.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

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.

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?