Please answer all the questions for 25 points and for brainliest if not answer correctly will report

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

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.