Provide an appropriate response.Use a compass and straightedge to construct an angle of 45°.
What will be an ideal response?
Answers will vary. A sample correct response would be as follows.
Start with a point P on a line, and construct a 90° angle (i.e. a perpendicular to the line) at P. Then bisect this angle to construct a 45° angle.
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Simplify.( 
- 3)2
A. 6 - 3
B. 12
C. 12 + 6
D. 12 - 6
Solve the problem.The time it takes to complete a certain job varies inversely as the number of people working on that job. If it takes 28 hours for 7 carpenters to frame a house, then how long will it take 42 carpenters to do the same job?
A. 4.7 hr B. 40 hr C. 42 hr D. 10.5 hr
Solve the problem.The temperature at 5:00 was -7°C. Four hours later, it was -9°C. What was the change in temperature?
A. -2°C B. 2°C C. -16°C D. 16°C
Find the transpose of the matrix.
A. 
B. 
C. 
D. 