Answer:
1. strike one tuning fork on the edge of the table to make it vibrate.
2. hold the vibrating tuning fork right beside the other one.
3. the second tuning fork will begin to vibrate at the same rate as the first one.
Step-by-step explanation:
Answer:B
18 is greater than >16
18> 8-8(-1)
18>8+8
I think the answer is 7.