Amyocardial infarction is a heart attack.

Write a personal plan that can be used to reduce or prevent injury. identify the hazards you would like to prevent from occurring. include strategies in your plan that can be used to address peer pressure and other influences (both internal and external). use valid research sources to create your personal plan.

Mary is 14 year old her resting heart rate is 70 beats per minute. calculate 50% of mary's maximum heart rate to fine her target heart rate

Can someone give me a hand with this one.