Pacey's computer is infected with a virus. The number of files the virus corrupts doubles every 8 minutes. The following expression represents the number of files corrupted after x minutes. Which statement is true?

A.
The expression (0.91)x reveals the approximate rate at which the files are corrupted per hour.
B.
The expression (1.09)x reveals the approximate rate at which the files are corrupted per hour.
C.
The expression (1.09)x reveals the approximate rate at which the files are corrupted per minute.
D.
The expression (0.91)x reveals the approximate rate at which the files are corrupted per minute.

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 these tools or constructions is used to inscribe a hexagon inside a circle?

Construct the graph that models the given situation