Find the 21st term of the arithmetic sequence an=9+3(n-4) a21=

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)

Look at the example below which shows how the product property of radicals is used to simplify a radical. use the product property of radicals to simplify the following radical.

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?