LaPeach Elementary School uses 4000 pencils each year. The school has 500 students. What is the unit rate per student?

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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.

If i have one apple and give you the apple, how many apples do i have?