A MLB pitcher throws a strike on his first pitch to a batter about 60% of the time. if during the next season this pitcher faces 300 batters, how many of those batters would we expect there to be a strike on the first pitch?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?