Please Help The mean salary of female employees of one companyy is 39,525. The mean salary of the male employees of the same company is 43,470. Can the mean salary of all employees of the company be obtained by finding the mean of 39,525 and 43,470? Explain your thinking. Under what conditions would the mean of 39,525 and 43,470 yield the mean salary of all employees of the company

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

This is about circle theorems. someone asap : (

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.