A payday loan company charges a $90 fee for a $500 payday loan that will be repaid in 16 days. Treating the fee as interest paid, what is the equivalent annual interest rate?

If a is a nonzero real number then the reciprocal of a is

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955