If a cow weighs 300 pounds how many would 6000 cows weigh

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?

Which of the functions graphed below has a removable discontinuity?

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,