The sum of a number and two equal to negative seven. Translate this sentence to an equation and then find the number

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Which graph represents the equation y =4x

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