Answer:
The sum of the complex numbers is 
.
Explanation:
Let be 
and 
, the sum of the complex number can be found by algebraic means. That is:
1) , Given.
2) 
Definition of addition.
3) 
Commutative and associative properties.
4) 
Definition of addition/Distributive property.
5) 
Definition of addition/Commutative property/Result.
The sum of the complex numbers is .
D logistics and Inventory Control
An Economic Good that I have used today is a laptop and an Economic Service that I have used today is bank.
Economics can be defined as a field of science that is focused on the analysis and examination of various principles that influence the production, demand and supply of goods and services.
Another purpose for the studying economics is to examine certain principles that influence the production of goods and services.
So, we can conclude that economics states that we are all consumers and a consumer is someone who uses both economic goods and services.
To learn more about Economic Goods,
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Answer:One factor that enabled the Renaissance to flourish in Northern Italy was that the region had a wealthy class that invested in the arts. During this period, there were many rich families that heavily invested and supported artworks and their artists. One of the most prominent families at the time was the Medici family who were benefactors of artists like Michelangelo and Botticelli.
Explanation:
For number 15 it is 66,000
