Between july 1, 2000, and july 1, 2007, the estimated population of a city declined from 5901 to 5169. what was the percent decrease to the nearest tenth?

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?