The perimeter of Mrs. Avila's bathroom is 29 feet. Which statements about the length of Mrs. Avila's bathroom are true? Select all that are correct. The length of the bathroom is 11.5 feet. The length of the bathroom is 8.5 feet. The length of the bathroom is equal to its width. The equation 2(x + 6) = 29 can be used to find the length of the bathroom, x. The equation 2x + 6 = 29 can be used to find the length of the bathroom, x.​