What is the location of the point on the number line that is 3/5 of the way from A = 2 to B = 172 A. 9
B. 10
C. 12
D. 11

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Find the commission on a $590.00 sale if the commission is 15%.

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 =