The function h(t) = -16t2+ 32x + 240 depicts the flight of a canonball shot from 240 feet in the air with an initial velocity of 32 feet per second. 1. At what time does the canon ball hit the ground?
2. How high does the canon ball fly?
3. At what time does the canon ball reach its highest point?

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

This question is hard for me to answer can you me. the question is find the value of x.