Answer:
Step-by-step explanation:
If you're asking what is
:

Otherwise,
is not true.
Answer:
Option B. 
Step-by-step explanation:
we have

solve for a
Applying logarithm neperian (ln) both sides


Remember that 
so

Answer: 60
Step-by-step explanation:
Answer:
fromfromfromfromfromfromfromfromfromfromfromfromfromfromfromfromfrom
Step-by-step explanation:
Answer:
156.6
Step-by-step explanation:
Sorry for the messy handwriting.
Hope this helps!