Answer:
the answer is yes it will
Answer: first part is 2 then 0, after, its “are two real solutions” on edg, yw
Step-by-step explanation:
18 divided by (-9) equals -2.
Answer:
7.07106781187
Step-by-step explanation:
if its just asking 
:D
Reason number 1 (before) is that you could contaminate your samples if you have foreign material on your hands.
Reason number 2 (after) is that you could spread<span>/or ingest dangerous chemicals or substances that you have handled in the lab.</span>