A pool is in the shape of a rectangular prism. On Monday, water was pumped out of the pool at a constant rate, starting at 12:00 p. m. At 12:15 p. m., the water in the pool was 45 inches deep. At 12:35 p. m., the water in the pool was 41 inches deep. Part A By how many inches does the depth of the water decrease each minute? Enter your answer in the box. ? inch (es) Part B Write an equation that represents y, the depth of the water (in inches), after x minutes. Enter your equation in the space provided. Enter only your equation.