Aplanes trajectary from toronto to montreal is represented by this equation h=-2.5t^2+200 h= hieght of flight and t= time of flight. how long would the flight from toronto to montreal last?

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?

Find the value of x for which line a is parallel to line b

2x minus y equals 6, x plus y equals negative 3