Which question could be answered by the organized list shown? Select two answers.

XXX, XXY, XYX, XYY , YXX, YXY, YYX, YYY

A.
a fair coin flipped three times

B.
a spinner with three equal sections spun eight times

C.
a six-sided number cube tossed eight times

D.
a fair coin flipped eight times

E.
a spinner with two equal sections spun three times

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Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?