I believe it is balanced and working together. I hope this helps :)
I think it’s A (students often walked or rode bikes to school).
When you multiply 3.41 times 2 you get 6.82
When you subtract the exponent β to get ∫og ∨∨3
you get ₉ as your number because ₙₓ + quadratic formula = b3 + a
I'd say keeping the T cell count high because these are the cells that fight viral infections (HIV is one of them).
Answer:

Hope it helped,
Happy homework/ study/ exam!