An angle measures 18º less than the measure of its supplementary angle. What is the measure of each angle? ASAP PLZ

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Which of the choices shown could be used to prove that aacp=abcp ?

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?