2)Calcule o valor X, sabendo que A // B.

3) Sabendo que R // S calcule os valores de X eY
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What expression is equivalent to 42x-56y

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

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.