Atire is rotating 600 times per min through how many degrees does a point on the edge of the tire move in 1/2 sec

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

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 is the the greatest common factor ?