1. Solve the following system of equations by elimination. What is the value of x? 3x - 4y -5
-3x - 4y = -11

A. x = 2
B. x = -1
C. x = 1
D. x = -2

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.