If the mean body temperature of a chameleon is 75 degrees, with a standard deviation of 4 degrees, which of the following is least likely? A. A random sample of 10 chameleons will have a mean body temperature less than 72 degrees
B. A single chameleon, chosen at random, has a body temperature that is less than 72 degrees
C. A random sample of 50 chameleons will have a mean body temperature less than 72 degrees

Simplify the expression. -2/5(10+15m-20n)

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?

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z