I am a genius and smart

Which statement best describes the polynomial

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

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.