Unit 8 homework 2 - Special Triangle s Right

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

X+y=-4 x-y=2 use elimination with adding and subtraction

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.