Jan's age is 3 years less than twice trits age. the sum of their ages is 30. find their ages.

If m∠c = 147°, determine m∠e. 147° 57° 33° 180°

Answer this question only if you know the answer! 30 points and

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.