Balanced rock sits on a thin spike of rock in a canyon what forces keep the rock balanced on its tiny pedestal

Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?

Winds are formed from the sun's uneven heating of the earth's atmosphere. the wind patterns are altered by bodies of water, different landforms, and plant cover. because of this, the wind is considered a form of

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories.if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?