What is the square root of 240

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?

The graph shows the distance kerri drives on a trip. what is kerri's speed?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers