Answer:
The answer is A(r(y)) = 2500y²
Explanation:
A(r) = 
= 
= 
Answer:
torn muscle fibers
Explanation:
due to heavy exercise your muscle fibre start having small micro muscle tears
Pro: physical education allows for students to take a mental break and become active which promotes a healthy lifestyle, better circulation and oxygen increase with exercise has been proven to aid In learning.
con: If not done correctly or with a well educated teacher p.e can be harmful to physical and even mental health of children who are not athletic.
Answer:
Wow, that is frustrating, I had a teacher like that, it sucked. Hope it gets better for you!