A box of highlighters originally cost $18. It goes on sale at 10% off the original price. Complete the number sentence to show how to find the sale price of the box of highlighters:

Sale price= % x $18

Which of the following are parts of a sphere

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

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.