Flor and Mo donated money to the same charity. Flor gave 3 times as much as Mo. If Flor donated $240, how much did Mo donate?

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =