In one particular suburb, there are 19 families that own a terrier. If there are a total of 31 families that own a dog in general, then what percentage of dog owners have a terrier?
Round your answer to the nearest tenth if necessary.

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

Which fraction below is equivalent to 10/12?

Name the most appropriate metric unit for each measurement like the mass of cow