Researchers recorded that a certain bacteria population declined from 200,000 to 900 in 18 hours. At this rate of decay, how many bacteria was there at 10 hours? Round to the nearest whole number,

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters