The pilot of a helicopter plans to release a bucket of water on a forest fire. the height y in feet of the water t seconds after its release is modeled by y = -16t2 - 2t + 400. the horizontal distance x in feet between the water and its point of release is modeled by x = 91t. to the nearest foot, at what horizontal distance from the target should the pilot begin releasing the water?

What is the exact volume of the cylinder 1.5 m 2.5 m

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0