Tennis balls cost $7 for a can of 3 he gives the cashiet $40 for the balls and receives$12 in change how many balls did steve buy?

What creates more pressure? Check all that apply. A. Fewer gas molecules B. Gas molecules moving more quickly C. Gases with less kinetic energy D. Going to a lower altitude

Aristotle was a Greek philosopher who believed that the planets must move in perfect circles.

Find the chemical formulas for three vitamins and identify two elements found in each.

A column is filled with five different liquids of different densities. Water, a red liquid, a blue liquid, a green liquid, and a purple liquid are all added into the column.

The outer shell electrons in metals are not tightly bound to the nuclei of their atoms they are free to roam throughout the material moving from atom to atom these materials are good

When an ocean plate converges with another plate, what is created on the seafloor at the line of convergence?

Calculate the angle of refraction of 30.0° light shines from water into ice. The indices of refraction for water and ice are 1.36 and 1.31, respectively. A) 19.8° B) 31.3° C) 40.9° D) 64.0°

What is the length of a simple pendulum with a period of 2.0 s?

How many electrons are necessary to produce 1.0 c of negative charge? (e = 1.60 Ã 10-19 c) ?

A car is traveling at 64 ft/s when the brakes are fully applied, producing a constant deceleration of 18 ft/s2. What is the distance covered before the car comes to a stop? (Round your answer to one decimal place.)