Acandle that is 13 inches tall is lit. as the candle burns, its height decreases at a rate of 0.5 inches per hour. let t t represent the varying number of hours that have elapsed since the candle started burning. write an expression to represent the varying value of the quantity described in each part. each expression should be written in terms of the appropriate variable.

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?