Chapter 1: Real Numbers

1.	High temperatures over the past 5 days in Jacksonville, Florida were 76, 84, 79, 82, and 79. Find the mean high temperature over the past 5 days.
2.	Divide and simplify:
3.	Subtract and simplify:
4.	Determine the false statement below.
5.	Insert the proper symbol between the numbers to make a true statement.
6.	Evaluate –17 – (–15)
7.	Evaluate and simplify:
8.	Evaluate:
9.	Divide and simplify
10.	Divide and simplify
11.	Evaluate [–2(5)+10] – 5
12.	Evaluate
13.	Evaluate
14.	Name the property illustrated by the following (3x + 4) + 5z = 3x + (4 + 5z)
15.	All of the following illustrate the commutative property except:
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