Susie is having a party with 15 guests. she wants to feed everyong sandwhiches. if susie buys 7 1/2 pounds of meat, how much meat will each guest get on there sandwich?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Ineed with number 6 , explain how to get 1978

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.