Answer:
84 km
Step-by-step explanation:
you times 7 by 4 and get 28 then you times 3 by 28 and get 84 km
9514 1404 393
Answer:
-7/48
Step-by-step explanation:
Put the numbers in place of the corresponding variables and do the arithmetic.

The speed is 630mp/s I think. Because you have to multiply Wavelength by Frequency to get true speed
It should take approximately 27 days using the water at an average of. 450 gallons per day
Answer:
I don't know
Step-by-step explanation: