Write number to make equations (8*2)*4=_*(_*4)

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

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

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?