a model of a house is shown. What is the perimeter of the model?
PLEASE HELP ILL GIVE LOTS OF POINTS

your calculations were correct btw, all you have to do is sum them up.
[tex]2(5x+7)+2(8x-4)+(10x+9)\implies (10x+14)+(16x-8)+(10x+9) \\\\\\ ~\hfill 36x+15~\hfill[/tex]