She would have rented it for 9 hours because you do 81 minus 9 for the kayak charge that with equal 72 then you divide 72 by 8 for the hourly charge and that will equal 9
Answer: try D
Step-by-step explanation:
The domain is the set of inputs over which our function W(T) gives a valid result.

Answer:a= -21
Step-by-step explanation: