How many M's are there in the W's? Please I need lots of answers

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+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.

F(x)=5/6x+3 which of the following is true