You put $5000 in an account. The account earns $2250 simple interest in 10 years. What is the annual interest rate? Write the interest rate as a percent. show work pls

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )