The following table shows a proportional relationship between jjj and mmm.
jjj m
4 3
12 9
20 15
Write an equation to describe the relationship between jjj and mmm.

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.

Based on the figures as marked, /\rqs = —

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why