Jacob invested $300 in a savings account and earned $81 in interest at the end of 9 years. what was the interest rate? a. 3% b. 3.5% c. 4% d. 4.5%

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Measure of angles 31 (x+4) (3x+9) me