Can I get help with this?

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

Having a hard time understanding this question (see attachment).

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?