Length of 20 meters and width 10 meters

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 for x. −3/4(x+2)=6 enter your answer in the box

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?