Use synthetic division to show that the number given to the right of the equation is a solution of the equation. Then solve the polynomial equation.

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12