You have conducted pre- and post-test measures of the effectiveness of pay raises on employee productivity, measured as net $ sales for the month. Calculate the mean differences between the two time periods (as an absolute value) for the following 5 cases, with pre and post separated by a semi-colon:

a. Employee 1: 10000; 14000

b. Employee 2: 12000; 11000

c. Employee 3: 11000, 13000

d. Employee 4: 8000; 10000

e. Employee 5: 9000; 12000

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.