Explain how to write the rational number 3.21 in the form a/b

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

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