Draw graph x + y = 7 and x - y = 2 on the same graph

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

If bradley saves for 4 weeks, what is the total amount of money he will have saved?

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)