The weekly salaries (in dollars) for 7 employees of a small business are given below. (Note that these are already ordered from least to greatest.) 522, 718, 818, 827, 847, 905, 984 Suppose that the $ 522 salary changes to $683 .

(a) What happens to the median?

It stays the same  ⇒ $827

(b) What happens to the mean?

It increases by  $23

Step-by-step explanation:

$522, $718, $818, $827, $847, $905, $984

median = the median is the number in the middle = $827

mean = ($522 + $718 + $818 + $827 + $847 + $905 + $984) / 7 = $803

$683, $718, $818, $827, $847, $905, $984

median = the median is the number in the middle = $827

mean = ($683 + $718 + $818 + $827 + $847 + $905 + $984) / 7 = $826

the mean is the average salary, since the salary of one of the employees increases, the average salary will also increase.

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10