X^2 - 2x - 8 = 0
(x - 4)(x + 2) = 0
x = 4 or x = -2
The positive root is x = 4
I’m pretty sure it’s physical
Answer:
Which molecule is correctly paired with the class of molecule to
which it belongs?
Explanation:
Type A blood receive A or O. A and O are antigen. Blood type O can give blood to everyone, but A can only give to A blood type.
