Most wires that are good conductors are wrapped in an insulator to keep people from being shocked when they touch them. Which of the following is a good example of this? (Answer this correctly and ill give brainliest, ty <3)

A. Copper wire inside plastic tubing
B. Copper wire inside steel tubing
C. Plastic wire inside copper tubing
D. Steel wire inside copper tubing

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −