The answer is W.E.B. Du Bois
Control of the upper classes
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 .
The amount of $700,000 is advisable to be deposited in three different banks for safety of Angelo's money.
<h3>What is a bank deposit?</h3>
A deposit of money made with a bank to earn returns in the form of interest on such money is known as a bank deposit. The banks insure such deposits up to a certain limit, say $250,000.
Angelo can distribute his money into three different banks, with each deposit not exceeding $250,000 to ensure the safety of his bank deposits.
Hence, the way to insure the safety of Angelo's money via bank deposit is aforementioned.
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The two statements that refer to the certificate of deposits are:
- It can be purchased from a banking institution.
- It can be purchased for almost any amount.
<h3>What is a certificate of deposit?</h3>
This is also referred to as time deposit. The deposit is a certificate that is issued to a person that is keeping money in a bank for a particular time period at a given rate of interest.
This certificate is gotten for almost any amount of money from the banks that are issuing them.
Read more on certificate of deposit here brainly.com/question/17427920
