Determine which of the following equations, when graphed, intersect at the point (4,0). Select all that apply.
X-y=4
-x-y=4
2x-y=7
O x+y= 4
2x+y=7
2x+y=-7

Let r = 3. what is the value of r + 58?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)