Write the tangent ratios for both acute angles of the right triangle RST. (In the first space, write the ratio (e. g. 3/4). In the second space, write the
decimal representation rounded to three decimal places.)
NOTE: Diagram is not to scale.

Find x to the nearest hundredth place

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.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16