The sum of three numbers is 30. The third number is twice the second, and is also 2 less than 3 times the first. What are the three numbers?

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?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)