I need help please help my test is timed..
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Mathematics, 21.06.2019 19:00
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?
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Mathematics, 21.06.2019 21:00
Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?
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Mathematics, 21.06.2019 21:10
Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x
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Mathematics, 22.06.2019 01:10
Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)
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