What is the simplified form of each which expression 2x + 5x + 4x

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x