Hi guys i don’t know what this really is but this is the equation 2x+2=7x+7 and it say = 90 at the end plz help

Which expression is equivalent to 3^3 + 2^2?

Write an equation for the function that includes the points (2,100)and (3,100)

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