Your answer is 36.58. Hope you do good!
Answer:

Step-by-step explanation:
Given

Required
Find a
Take log of both sides

Apply law of logarithm

Divide both sides by a

Multiply both sides by -9

Apply law of logarithm

Cancel out log

Rewrite as:

Apply law of indices


Answer:
h=1 K =2 a =6 b=2
Step-by-step explanation:
look this solution :
(I'm not totally sure but there may be someone else with a more accurate/correct answer.)
Here is what I got (Red represents my work, blue represents to follow which steps and highlighter represents what the answer is):
Answer:
-a will be greater than -b because for example, when a=2 and b=5, -a=-2 and -b=-5