Use the following graph for questions 1-9. Katina wanted to determine whether 7th grade boys or 7th grade girls can run faster. She decided to do an experiment where she randomly selected 9 boys and 9 girls to run one mile. She recorded the time, in seconds, of each runner and then plotted the results. *Determine the mean, average, for the boys.

What rotation was applied to triangle def to create d’e’f’?

Step by step explanation pls for 10 pts the length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?  

The table shows the height in feet of several students in miss patel’s class