8 While at work, Nina checks her email once every 80
minutes. In her 8-hour work shift, how many times
does she check her email?

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

How to do this , and can some one explain

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take