The speed of a vehicle just before the brakes are applied can be estimated using the formula s= (28.75d)^1/2, where s is the speed (in miles per hour) of the vehicle and d is the length (in feet) of the skid marks the vehicle leaves. how fast was a car traveling if it left skid marks 45 feet long? round your answer to the nearest hundreth.

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?