Write an equation of a line passing through the point (4,-9) and parallel to the line 3x-6y=30

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.

Two lines that do not intersect are skew. always sometimes or never

The only way to identify an intercept is as an ordered pair. true false