Find all solutions for x €(0,21 ) for: 2cos²x-3cosx-2=0. a. x= 2pi/3 b. x=pi/3, 5pi/3 c. x=5pi/6, 7pi/6 d. x=2pi/3, 4pi/3​

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.

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid