Arnold won 24 gold and silver medals in track. he won twice as many gold medals as silver. if g represents the number of gold medals and s represents the number of silver medals, which system of equations represents the situation?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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.

Two numbers have a sum of -19. one number is x. what expression represents the other number?