Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Answer: D
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A man leaves home driving west on a straight road. We locate the position of the car as the distance west from home. Suppose the man begins his trip and sets his cruise control, but after a few minutes he notices that he has forgotten his wallet. He returns home, gets his wallet, and then resumes his journey. He figures that he may be late, so he sets the cruise control a little higher than before. The graph of distance west from home is shown. Make a graph velocity for the trip.
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What will be an ideal response?
Solve the problem.An electrician has to choose different types of wire for different applications. The size of the diameter of the wire is inversely related to the gauge of the wire. The chart below shows some different gauges of wire and their approximate diameters. Use the chart to answer the question. 
Write the diameter of 16 gauge wire in words and as a fraction.
A. Thirty-two ten-thousandths inch; 
= 
B. Thirty-two thousandths inch; 
= 
C. Ninety-four thousandths inch; 
= 
D. Thirty-two hundredths inch; 
= 
Use the unit circle to find the indicated quantities.
cos 2?; sin 2?
A. 0; -1 B. 0; 1 C. -1; 0 D. 1; 0
Factor the polynomial.10(m - 6)2 - 21(m - 6) - 10
A. (2m - 17)(5m - 28) B. (2m + 14)(5m + 35) C. (2m + 5)(5m + 2) D. (2m + 11)(5m + 8)