Determine whether the statement below is always sometimes or never true:

the expressions x-3 and y-3 represent the same value

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?

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?