I don’t know the answer please help

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Which of the following is the true for f(x) = 5cos

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.