Earl covers his circular swimming pool with a plastic cover to protect it from weather. if the swimming pool is 16 ft in diameter, what is the area of the circular top of the pool?

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms