The ratio of hydrogen atoms to oxygen atoms in water is 2: 1. if an amount of water contains 341 trillion atoms of oxygen, how many hydrogen atoms are there?

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6