Answer:
Entrance fee should be proportional to the number of visitors -- this means that if we divide entrance fee by number of visitors for each of them, we would have the same number.
Step-by-step explanation:
Museum C
Answer:
the equation of the line is:
y=-2x+-3
Answer: 2π/3
Step-by-step explanation: At 2π, three cycles have been completed. The period is the length of one cycle.
Measure from peak to peak.
Another way to look at it is to measure the first cycle between 0 to π. One cycle has been completed at 2/3 the distance between 0 and π.