W/6 + 5/8 = -1 3/8 solve the equation

If a boat travels 3 miles in 1.5 hours how far will it travel in 2 hours?

Which of the following graphs could represent a cubic function?

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.