Please somebody help, i will give a brainleist and i will help with ANY questions that you need help on, plz just help me on these im begging you guys

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

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.

Biggest exam of the which of the following are polynomial functions?