Colin was thinking of a number. Colin subtracts 5 from it and gets an answer of 10.7. What was the original number?

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.

Match each inequality to the number line that represents its solution

Is the square root of 4 plus the square root of 16 rational?