Juan recently hired a landscaper to do some necessary work. On the final bill, Juan was charged a total of $1146. $420 was listed for parts and the rest for labor. If the hourly rate for labor was $66, how many hours of labor was needed to complete the job? (A) First write an equation you can use to answer this question. Use x as your variable.

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?