How do you find simplest radical form?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.