Abaseball player reaches first base 30% of the times he is at bat. out of 50 times at bat, about how many times will the player reach first base

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

What is the interquartile range of this day at set?

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.