The time it took Mark to walk to the store is represented by 4t + 1. The time it took him to walk home is represented by 1 - 2t. Which expression represents the total time it took Mark to walk to the store and back twice?​

Which of the greatest common gcf of 32 and 48 a 16 b 96 c 8 d 32

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.

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have