Answer:
a). Nadia made a total of $825 last week in commission sales
b). The total amount Nadia in commission in 2011=$42,900
Step-by-step explanation: Total amount (2011)=Average weekly commission × number of weeks in 2011 where; Average weekly commission=$825 number of weeks in 2011=52 replacing; Total amount (2011)=(825×52)=42,900
. The total amount Nadia in commission in 2011=$42,900.
The school has 156 professors and 286 lectures
Answer:
A. -6
Step-by-step explanation:

In order to find
we will plugin



In order to find
we will plugin



∴ 
Answer:
David 1,988-1,956+32
It is David because when you find the unite ratio you get 1,988 for David and 1,956 for Megan.
Answer:
B
Step-by-step explanation: