Find the 12th term of the arithmetic sequence whose common difference is d=-7 and whose first term is a = 10.

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.