This chart shows the top five and bottom five salaries for the Arizona Diamondbacks in 2015. Find the mean and MAD of each set of data, and then compare their variation. 2015 Arizona Diamondbacks Salaries (in millions of dollars)
Top Five Salaries Bottom Five Salaries
11 0.5
9.5 0.502
9.5 0.5045
7.9 0.507
4.8 0.51

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1  

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

a is 8.b is 10.c is 10.5. d is -.5

step-by-step explanation:

just minus the smallest number from the biggest.

step-by-step explanation: 2