1. At noon, ship A is 120 km west of ship B. Ship A is sailing east at 25 km/h and ship B is sailing north at 15 km/h. How fast is the distance

1. At noon, ship A is 120 km west of ship B. Ship A is sailing east at 25 km/h and ship B is sailing north at 15 km/h. How fast is the distance between the ships changing at 4:00 PM? _____km/h2. A swimming pool is 20 ft wide, 40 ft long, 3 ft deep at the shallow end, and 9 ft deep at is deepest point. A cross-section is shown in the figure. If the pool is being filled at a rate of 1.3 ft^3/min, how fast is the water level rising when the depth at the deepest point is 5 ft? (Round your answer to five decimal places.)_____ft/min