Answer:
Speed = 20 m/s
Step-by-step explanation:
The formula to find the speed of a wave is found by
Speed = Wavelength x Frequency where the frequency is in HZ and the wavelength is in meters
Speed = .80*25
Speed = 20 m/s
Answer:
1. a
2. b
3. c
4. d
Step-by-step explanation:
0. Each time you're adding 0.75, so adding

!
Answer:
68
Step-by-step explanation:
Six times twelve minus 4 equals forty-eight