A day of the week is chosen at random what is the probability of choosing ?

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.

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

Which expression is equivalent to -12(3x-3/4)