The square root of 80 is: 8.944
Answer: You didn't put what a, b, c, or d is so how is anyone supposed to know what the answer is?
The ball was moving for 0.8seconds
This is because 4/5 x 1 = 0.8
Hope this helps and good luckkkk :)
Meters it the SI unit for measuring length.
Rotation- sunset,sunrise,moons movement
all the others are revolution
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