Answer:
No
Step-by-step explanation:
Because 15 is with a different number other then 180, then it isn't linear, or graphable. It won't be a function if you have the same number with different numbers. The input and output won't make sense.
Answer: No
I guessed..but it was right
4.5 hours
If you take both of their alone time
6 and 3
Add them together
Divide both of them By 2
Giving you your answer