Answer: D. 7^11
Reason:
The rule we use is 
When multiplying exponentials of the same base, we add the exponents.
The exponents 5 and 6 add to 5+6 = 11
So,

The base stays the same the entire time.
2x +3x + 25 = 5x - 15
5x + 25 = 5x - 15
5x - 5x = -15 - 25
0 ≠ -35
(x+4)²=-63
....brainliest would be appreciated
Answer: The unit for Warren’s data is the number of cars sold each day.
Sorry for the answer being so late!