First of all, you did not tell me much, how much is it for 1 hour of service?
B is a times b
C is also a times b
sorry im stuck on the rest
I believe the answer is C
Answer:
Step-by-step explanation:its ratxrat
...
This can be factored into (x+9)(x+5)/(x+9)(x+1)
once simplified, it's (x+5)/(x+1)
The denominator cannot be negative, so x≠-1
Therefore, the answer is C.