At Peyton's store, she sells blue shoes for $39.00 a pair and red shoes for $34.30 a pair. Peyton has already sold four pairs of blue shoes to customers. If Peyton only sells red shoes for the rest of the day, how many pairs of red shoes need to be sold to meet the sales goal of $1,200? A. 40 B. 30 C. 39 D. 31

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.