Given:
First 2 days the salesperson sold an average of $44531 cars.
For next 11 days she sold an average of $50063 cars.
To find the sell on average per day over the entire time,
The total cost is,
The total number of days she work is 2+11=13.
So, the average cost per day is,
Answer: the average cost per day over entire time salesperson worked is $49211.92
0.025, 0.052, 0.205, 0.25 I believe. It's been awhile since I've been in Middle School, though. :(
If the temperature dropped to -16 degrees what is the absolute value?
Answer: 
Work Shown:
Note that (h,k) = (2,-3) is the center and r = 6 is the radius. The last line is not expanded out using the FOIL rule because its common practice to leave it in 
form. This form allows the reader to quickly determine the center and radius (rather than have to do a lot of algebraic steps before hand).
