How can a heart rate watch help an individual achieve exercise goals? It supplies more oxygen to the blood during a workout.

It sounds an alarm if the individual misses a scheduled workout.

It increases the heart rate if the individual gets tired while exercising.

It tells the individual if she is exercising in her heart rate target zone.

Karen is waiting by the lockers before school for her friend richard. they had agreed to look over the history review sheet together to be ready for the test later that day. richard shows up late with uncombed hair and wrinkled clothes. karen: "you're five minutes late and you look like a wreck! " richard: (slams his locker) "you know, i don't have time for this." karen: "fine! figure out the test on your own! "