Heyy do you guys think that im fat? Bc i got called fat at my school today :(

Can somebody me out with this question

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

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1