The height of a cylinder is twice the radius of its base. What expression represents the volume of the cylinder, in cubic units? O 4X2 201x 12x nx² + 2x 0 2 + x​

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.