Help pls?? answer for me??f

Find the value of the cosine for angle a

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?