A quiz consists of 6 true-or-false questions. In how many ways can a student answer the quiz?

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Which statement justifies why angle ebc measures 90?

If chord ab is congruent to chord cd, then what must be true about ef and eg?