Curtland earned $ 3,600 in interest by Investing $7,500 at an annual simple interest rate of 8%. If he made no additional deposits or withdrawals, how many years did Curtland have to invest his money to earn the interest?

Can someone pls ! pls answer all. no explanation needed..

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250