The heart rate reserve is equal to the difference between maximum heart rate and resting heart rate. Maximum heart rate is usually calculated by:
Hmax = 220 - age
Hmax = 220 - 40 = 180
HRR = Hmax - Hrest
HRR = 180 - 75
= 105
The answer is B
This is True the server must bounce the ball once befor it goes to the opponents side.
She should do her best to sit him down alone, and see how he is feeling.
She needs to have a discussion with him, not an argument. If he is going through something, alcohol may just be an outlet.
The best thing is to make sure he's okay, and for her to lovingly express her concerns. =)