A stack of four cards contains two red cards and two black cards. I select two cards, one at a time, and do not replace the first card selected before selecting the second card. Consider the events:A = the first card selected is red. B = the second card selected is red. The events A and B are:conditionals. independent. disjoint. None of the answer options are correct.

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What are the triple angle formulas? is it related to double angle identities?

Which of the following is not a correct form of the quadratic function?