A survey of 75 customers was taken at a bookstore regarding the types of books purchased. The survey found that 49 customers purchased mysteries, 41 purchased science fiction, 35 purchased romance novels, 24 purchased mysteries and science fiction, 21 purchased mysteries and romance novels, 16 purchased science fiction and romance novels , and 7 purchased all three types of books.

Juliana says that she can use the patterns of equivalent ratios in the multiplication table below to write an infinite number of ratios that are equivalent to 6: 10. which statement explains whether juliana is correct? she is correct because she can multiply 6 and 10 by any number to form an equivalent ratio. she is correct because 6: 10 can be written as 1: 2 and there are an infinite number of ratios for 1: 2. she is not correct because the multiplication table does not include multiples of 10. she is not correct because 6: 10 is equivalent to 3: 5 and there are only 9 ratios in the multiplication table that are equivalent to 3: 5.

What is always true when two whole numbers are subtracted?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length