What value of x will make the equation below true?
X - 15 = 12

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

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.