Kalesha is purchasing a laptop. the original price of the laptop is $900. the store is offering 10% off on all computers. kalesha has a $100 gift card. how should kalesha determine the amount she will pay for her computer?

Two lines parallel to a third line are parallel to each other. always sometimes or never

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 is the area of the trapezoid shown ?