The temperature of a cup of coffee was 192°F when it was poured. A thermometer was placed in the cup, and its temperature was recorded every five minutes, as shown in the table. Minute Temperature 5 175°F 10 153°F 15 143°F 20 131°F 25 115°F 30 106°F Assuming that the relationship is exponential, approximately how warm will the coffee be after 40 minutes? A. 79°F B. 85°F C. 96°F D. 98°F

Anut store normally sells cashews for? $4.00 per pound and peanuts for? $1.50 per pound. but at the end of the month the peanuts had not sold? well, so, in order to sell 40 pounds of? peanuts, the manager decided to mix the 40 pounds of peanuts with some cashews and sell the mixture for $2.00 per pound. how many pounds of cashews should be mixed with the peanuts to ensure no change in the? profit?