The number of patients treated at dr. frank's dentist office each day was recorded for seven days: 8, 14, 12, 17, 4, 6, 2. using the given data, find the mean for this sample.

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?

Find two numbers if their sum is 91 and the ratio is 6: 7?

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2