Answer:
The y-coordinates are the same.
Step-by-step explanation:
Since the y of (6, 9) and (6, -9) is different is because one of them has a positive y and the other order pair has a negative y.
Answer: 
Step-by-step explanation:
For this exercise it is important to remember the following:
The constant of proportionality, which is represented as "k", describe the constant ratio of two quantities that are proportional (the independent and dependent variables).
In this case we know that the independent quantity represents the total members of the band and the dependent quantity represents the woodwind members of the band.
Since the band consists of 3 woodwinds for every 7 members of the band, we can conclude that the constant of proportionality for this relationship is:

Answer:
I say C is your best answer because it might be a typo
The overtime rate is an added percentage to the regular rate. By how much percentage, this would depend on the place you're working. If your work in USA, under US federal labor and tax law, the rate would be 150%. Thus, the overtime rate would then be:
Overtime rate = $8.75/hour * 1.50 = $13.125/hour