Help me please ASAP quick please

What describes horizontal cross section of the right rectangle 6m 8m 5m

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

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?