the average cost of tuition and fees at public four-year colleges in the united states can be modeled by following formula, where T represents the average cost of tuition and fees for the school year ending x years after 1996. when will tuition and fees at public US colleges average $4586 . T=165x+2771 tuition and fees will average $4586 in the school year ending in the year?

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?