Dan's car depreciates at a rate of 13% per year. By what percentage has Dan's car depreciated after 4 years?
Give your answer to the nearest percent

I’m stuck on this equation, anyone got the answer?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Question 14 (1 point) larry deposits $15 a week into a savings account. his balance in his savings account grows by a constant percent rate.