Mason plays a game by flipping two fair coins. He wins the game if both coins land facing heads up. If Mason plays 300 times, how many times should he expect to win?

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?