PLEASE HELP An exam will consist of True-False questions worth 3 points each and short essay questions worth 11 points each. Write an expression to represent a student’s total score which is based on the number of True-False questions and essay questions answered correctly. State what your variable(s) represent.

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 −