Find the perimeter of the figure. 5 in. 4 in. Т. 3 in. 5 in. 9 in. 2 perimeter: in.​ HELP PLEASE!!

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.

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's