Jill is cooking pancakes. The recipe calls for 3 cups of flour. She accidentally put in
8 cups. How many extra cups did she put
in?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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.

Y=21.95x+10 y=22.45x solve by substitution