Use the distance formula to find the perimeter. Round 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?

What numbers are included in the set of integers? what numbers are not included?

How do you write y-10=2 (x-8) in standard form