How do i find the decimal form of the square root of 115?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?