Serena hits a tennis ball downward from the top of the net at which the angle of depression is 20°. If the net is 0.9 m high, how far from the net does the ball land to
the nearest tenth of a metre?

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?