Marta said 50 + 1/2 m = 120 an equation, while maribel argued that it is an expression. determine who is correct and explain why.

(50 points) drag each description to the correct location on the table. each description can be used more than once. some systems of equations and their graphs are given in the table. for each system, place the description(s) in the box that correctly describe the type of system shown. :