Suppose you are going to invest a certain amount of money at simple interest for 8 years. What is the lowest interest rate would you have to earn to be able to double your money in 8 years? A) 12.5% B) 15% C) 17.5% D) 20%​

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.