Which statement best summarizes the central idea of the passage?

Body mass index is a measurement tool that
classifies body weight.

An important step to managing a healthy weight
involves recording and evaluating choices and
progress.

The last step in a weight-loss management plan is
finding a support system.

Write long-term and short-term goals, exercise with
peers, and eat a balanced diet.

Fiber doesnt contain any calories i believe

Afew buddies come over to your house to hang out. they notice you're struggling in school, perhaps you have to rely on to pass your class, but you can't absorb the knowledge. they could positively reinforce getting a tutor and working with you, dedicating more time to the areas of struggle and less on hanging out to better yourself.secondly, say you're the victim of bullying. you're afraid to tell an adult because of possible repercussions from the bully himself. your friends encouraging you and pushing you towards telling an adult for your safety is another example. 

Answer a diet with a lot of iron and a lot of protein from dairy products;