Simplify 3(3+8)square + (1square+5square)=

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning