Sadie needs 5.5 yards to make one costume for each choir member in the play. how much fabric will she need if she has to make 7 costumes?

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

25 ! i need asap! ! ill mark brainliest!

(60 points) explain this in detail