EH is a diameter is D. The measure of EF is (10x + 8) and the measure of GH is (11x). What's the value of X

What is negative 3/9 times negative 2/8 ?

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.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)