The number of bacteria that will exist in 12 hours is 614,400.
Answer:

Step-by-step explanation:
B is the answer i had this on my test the other day
Two angles are supplementary if their measures sum 180°.
Linear angle pairs are adjacent angles (they are together) and they form a straight angle, which is 180°. Therefore, they are supplementary.
But two angles may be separated and yet add 180°, then they are supplementary but are not linear angle pairs.