64
Step-by-step explanation:

Answer:
72 signs
Step-by-step explanation:
90 min = 1.5 hour
6 hours hangs 6/1.5 * 18 signs = 72
Answer:
Your answer is C. 8.
Step-by-step explanation:
Amplitude: 2
Period: 8
Vertical Shift: 3
Answer:
-1 2/3 that's the best i could do sorry if its wrong
Step-by-step explanation: