A ball is thrown into the air. Its height (in feet) t seconds layer is given by h(t)=80t-16t^2. Based on the two equivalent forms of the function h(t)=80t-16t^2=t*(80-16t), A) What is the height of the ball 1 second after it has been thrown? B) After how many seconds does the ball hit the ground? C) At what time(s) is the ball 50 feet above the ground? Help.

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

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?

Solve the equation by completing the square. x^2+2x=17