Evaluate the expression when x=-2 y=3 and z = -1/5
xyz=

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 of these triangle pairs can be mapped to each other using two reflections?

How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?