A computer store buys a computer system at a cost of ​$370.80. The selling price was first at $618 ​, but then the store advertised a 20% markdown on the system.

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Triangle knm is what is true about the sides of knm

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