14 million bacteria were present when the antibiotic was first introduced.
The answer is -2.
You solve for a, first by dividing each side by 3. (a+1.5)/3 = -1.5/3
Then you subtract 1.5 on each side to isolate a. a= (-.5)-1.5
That ends up adding together to give you -2.
C
SSS can be used because ln is congruent to ln by reflexive property.
8953.7 is the answer to this