When factoring, if it is NOT a perfect square trinomial, you should first try the method.

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What is the smallest integer n such that n\sqrt{2} is greater than 20

Find the slope of the line that contains the following points. r(-2, 4), s(6, -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.