[SOLVED] Properties of equality

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Quickly skim the questions or assignment below and the assignment rubric to help you focus.
Read the required chapter(s) of the textbook and any additional recommended resources. Some answers may require you to do additional research on the Internet or in other reference sources. Choose your sources carefully.
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Assignment:

Part 1
Answer the following questions:
Define the following and give examples:
Denominator
Decimals
Proportion
Add and simplify:  6/13 + 2/13
What is a complex fraction? Give an example and simplify.
Identify two properties of equality and give an example of each.
Write each decimal as a fraction or mixed number:
.015
60.8
-209.986
How do you write fractions as decimals? Give an example.
The ratio of the weight of an object on earth to the weight of the same object on Jupiter is 2 to 5. If an elephant weighs 4100 pounds on earth, find the elephant’s weight on Jupiter.
What number is 15% of 205?
If the sales tax is 8.5%, what are the sales tax and total price of a purchase of $6.30?
Assignment Expectations
Length: 500+ words; answers must thoroughly address the questions in a clear, concise manner.
Structure: Include a title page and reference page in APA style. These do not count towards the minimum word count for this assignment.
References: Use the appropriate APA style in-text citations and references for all resources utilized to answer the questions. Include at least three (3) scholarly sources to support your claims.