Answer:
I believe it's 36
Step-by-step explanation:
Also is this a test lol?
3:1
6:2
24:8
15:5
30:10
hope this helps, have a great day :)

get rid of -2 by subtracting it from 21

Now you get your answer

Hope this helps! :)
Answer:

Step-by-step explanation:

By using logarithms it becomes easier to solve this question because of the properties they have
From the property of logarithms

Take logarithms on both sides





Answer:
8
Step-by-step explanation:
to get x alone you divide the 2 away on both sides, getting x = 8. To check multiply 8 by 2 and you get 16.
Hope this helps!