Emma, Ella, and Anna are taking a trip to the beach. Anna has $45 to spend on food, and Emma has $18 less than Anna, Ella has $6 more than Anna. Sara decides to go on the trip, too. She takes $10 less than Ella. How much money do all four of the girls have to spend on food?

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.