A typical ream of paper contains 500 sheets, is 4.85 cm thick, and costs $7.50. How many sheets would there be in a stack of paper as tall as the St. Louis Arch (192 m)?

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of

Which states of matter have particles that move independently of one another with very little attraction?