Answer:
C
Step-by-step explanation:
Given
3
= 24 ( divide both sides by 3 )
= 8
Raise both sides to the power of 
x + 9 =
=
=
= 16 ( subtract 9 from both sides )
x = 7 → C
Answer:
You can regroup it 3 times and a remainder of 43. :) hope it helped!
Step-by-step explanation:
Here is the answer! Hope it helps! (C.)
No because there are no x values