9.333048
is what I believe the mystery number would be
Answer: 
PLEASE MARK ME BRAINLIEST
Step-by-step explanation:
1) Simplify both sides of the inequality:

2) Subtract
from both sides:

3) Simplify:

4) Subtract
from both sides:

5) Simplify:

6) Divide both sides by
:

7) Simplify:

The answer is A because if you go from each point on Q to R it is 7 units away
Answer:
With base of 3: 
With base of 9: 
Step-by-step explanation:
Use 3 and 9 as the base of the power.
