7. What is the percent of decrease from 40 to
30?
A. 10%
B. 25%
C. 30%
D. 33.3%

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.

Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')