2 + 2 +2+6+5+6+6+765556665665555556586867 53643636237373849494984848484483838 38838337, 78448484848484748844858585858585858 58585858+45646464656675665565566435 4542422324356788980​

The table respent two linear functions the equation respented by the first tables is given

Which of the following is correct interpretation of the expression -4+13

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?