What is most likely true about the melting times of these two types of chocolate

What is the area of triangle abc if a = 8, b = 11, and c = 15?

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.

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.