You invest $1,600 in an account that pays an interest rate of 4.75%. calculate the balance of your account after 7 year round the answer to the nearest hundredth

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.

If the value of cos330°is√3/2 then find cos 165°.