Ana is going to the carnival. she wants to ride at least 5 rides, and she has $30 to spend. she wants to ride the roller coasters at least 3 times. roller coaster rides cost $3 each, and other rides cost $2 each. graph the system of inequalities to show all the possible combinations of tickets ana can buy. list two possible combinations.

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.