Which situation CANNOT be represented by this equation? −14+14=8 - 1 4 x + 14 = 8 CLEAR CHECK A hot-air balloon has a 14 14 -foot diameter that each 14 1 4 of an hour gets steadily smaller. At what rate, x , does the balloon have to shrink per hour before it has shrunk to a diameter of 8 8 feet? A hot-air balloon has a 14 14 -foot diameter that is getting smaller at a rate of 14 1 4 foot per minute. How many minutes, x , will it take before the balloon has shrunk to a diameter of 8 8 feet? A hot-air balloon has an 8 8 -foot diameter that is changing at a rate of 14 1 4 foot per minute. How long in minutes, x , will it take until the balloon has a diameter of 14 14 feet?