Ab is reflected to form a'b'. the coordinates of point a are (0, 2) and the coordinates of b are (2, 5)
which reflection results in the transformation of ab to a'b'?

a.)reflection across the x-axis
b.)reflection across the y-axis
c.)reflection across y = x
d.)reflection across y = -x

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.