22.00+27.51+21.33+22.95= please show me how you got that answer

asap plz help 50 points

Afootball is throw by a quarterback to a receiver

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.

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.