The scores of quizzes from 10 students is sampled. the scores, out of 20, are 12, 14, 14, 9, 17, 16, 18, 10, 8, 16. what is the best estimate of the population mean for quiz scores among students?

What is the value of x? enter your answer in the box. x = two intersecting tangents that form an angle of x degrees and an angle of 134 degrees.

If you are just building your payment history, how many points from a perfect score will you possibly miss?

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.