BC¯¯¯¯¯ is parallel to DE¯¯¯¯¯. What is CE?

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A triangle with vertices labeled as D, E, and F. Side A E is thebase and the top vertex is D. Sides A D and A E contain midpoints labeled as B and C, respectively. A line segment is drawn from B to C parallel to side D E. Segment B D is labeled as 6. Segment A B is labeled as 15. Segment A C is labeled as 25.

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.