A drum of oil is 4 ft. hieight and the radius is 1.2 ft. Oil cost is $22. What is the cost per cubic ft. to fill the drum of oil? Use 3.14 for pi.
Round answer to nearest penny.

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

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.

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?