Four icebergs are measured in distances above and below the sea level the distances above sea level are 31 ft 20 ft 16ft and 25ft. the distances below sea level are 102 ft 82 ft 148 ft and 95 ft. what is the range of the total height of the icebergs

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

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?

25 ! i need asap! ! ill mark brainliest!