Please answer these question(s)! It has to do with math statistics. I will give you brainliest and thanks! Please answer my other questions!

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

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next