The number of students in the book club is increasing at a rate of 15% per year. in 2010 there were 9 students in the book club. find the number of students expected to be in the club in the year 2020. i just need figuring out the equation.

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

What multiplys to be 1 but adds up to be 4