Mohal leans a 20-foot ladder against a wall so that it forms an angle of 72° with the ground. How high up the wall does the ladder reach? Round your answer to the

nearest tenth of a foot if necessary.

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.

Which is a graph of a proportional relationship?

Which expression is a factor of 12x2 + 29x – 8? x – 8 2x – 1 3x + 8 4x + 1