The cost of a filed trip is $220 plus $7 per student. if the school can spend at most $500, how many students can go on a field trip

Average acceleration: i have no idea how to do this.

Find the domain and range of the following function f(x) = 51x - 21+ 4

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?