PLS HELP TELL WHETHER X AND Y SHOW DIRECT VARIATION!!!

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

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)