The table top is shaped like a trapezoid. The dimensions of the face are shown in the diagram. Which equation can be used to find A, the area of the table top in square centimeters?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

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 substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.