Brian drives 215 miles at an average speed. He then travels 75 more miles at a speed of 15 miles per hour. If the drive times for both sections of the journey are the same,
calculate the average speed for the first part of his trip. (Let the average speed = x.)

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.

What are different types of statistical programs

Which of the following is the result of expanding the series