Calculate the frequency is the time between two crests is 5 seconds? 1. 0.2 Hz
2. 2 Hz
3. 10 Hz
4. 5 Hz

step-by-step explanation:

well if you round, things become much more simple. round 5.95 to 6, 4.25 to 4, and 1.05 to 1. now, add 6+4+1 and that would equal 11. so the items together would equal to about $11.

the correct answer is c) 2.