What are the coordinates of the midpoint of the segment whose endpoints are a(−1, 9) and b(3, 8) ? answer in decimals

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.

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

20 points for the brainliest? drag each tile to the correct box. not all tiles will be used. arrange the steps to solve the equation . plz