If l ll m, m∠1 = 12x , and m∠2 = 4x + 80 , find m∠1.

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Math it's appreciated. (picture provided)

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.

Which of the following represents the factorization of the trinomial below? x^2+7x-30