Ben flipped a coin and got heads 7/15
of the time. If he flipped the coin 45 more times, how many times would you expect Ben to flip tails?
7
28
35
24​

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