Does this system have one solution, no solution, or an infinite number of solutions ? 6x + 5y = 9 48x + 40y = 6

How many $20 bills do you need to have to make $280

Select the two pairs of figures that are similar.

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.