Two people are jogging around a circular track in the same direction. One person can go completely around the track in 22 minutes. The second person takes 20 minutes. If they both start running in the same place at the same time, how long will it take them to be together at this place if they continue to run?

Plzzz i beg u so much asap ! what is the slope of this line? enter your answer in the box.

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters