Which of the following answers describe how to calculate the acceleration of an object?
a. divide the change in the objects velocity by the time it takes to make that change.
b. divide the time the object travels by the distance it travels.
c. calculate the distance the object travels and divide that by the time it takes to get there.
d. calculate the velocity of an object and divide that by the time the object is in motion.

I think it's A I hope this is right but I just studied this so I think this is the right answer

Iam pretty sure its b but if im wrong sorry

Neptune is the eighth planet from the sun. it was the first planet to get its existence predicted by  mathematical calculations  before it was actually seen through a telescope on sept. 23, 1846. irregularities in the orbit of  uranus  led french astronomer alexis bouvard to suggest that the gravitational pull from another celestial body might be responsible. german astronomer johann galle then relied on subsequent calculations to   spot neptune via telescope. previously, astronomer galileo galilei sketched the planet, but he mistook it for a star due to its slow motion. in accordance with all the other planets seen in the sky, this new world was given a name from greek and roman mythology — neptune, the roman god of the sea.