An experiment is designed to compare the average salaries of employees in a particular position in two competing companies. the null hypothesis is assumed to be that there is no difference in the average salaries of employees in a particular position in the two companies. what is the alternative hypothesis?

a. there is a difference in the average salaries that is equal to the standard deviation.

b. there is no difference in the average salaries.

c. there is a difference in the average salaries.

d. the average salaries are equal.

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2