(30 points) help me thanks

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

Someone answer asap for ! the boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a. e = 2b - 212 b. b = 2e - 212 c. e = -2b + 212 d. b = -2e + 212

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?