An airplaine dropped from an altitude of 11,450ft to 578 ft. What is the integer that shows how many feet the plane dropped

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

What is another way to express 36 +32