Pls help I’ll give brainlieast

for no.8 it's A

and 9. its A

Explanation:

when the T cell(think of a white blood cell but stronger) drops last 200, itll infect,

and for 9. they live longer because of new medicine nowadays

8. A

9. A

Explanation:

      x/140 = 25/100

we need to find the x to find the x multiply 140 and 25

and what do you get 3500.   and what is 3500 divided by 100

= 35