Identify the following set as finite or infinite. {x | x is a real number}
Choose the correct answer below.
O A. The set is finite because there are no elements
the set.
OB. The set is finite because the number of elements in the set is a whole number.
OC. The set is infinite because the number of elements in the set is not a whole number.
OD. The set is infinite because the elements of the set are not listed between the braces, separated by commas.

Is it true or false i’m trying to pass this test so i can leave school

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

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?