In an ocean, the water is not the same temperature throughout. Do you think the surface is warmer or cooler than the water at the bottom?

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?