6 arrows land on the target shown below. Each arrow is in one of the regions of the target. Which of the total scores is possible : 16, 19, 26, 31, 41, 44.

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.

Find the area of the regular hexagon if a side is 20 cm.

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x