Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.
-2
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.A plane flying a straight course observes a mountain at a bearing of 32.5° to the right of its course. At that time the plane is 
from the mountain. A short time later, the bearing to the mountain becomes 42.5°. How far is the plane from the mountain when the second bearing is taken (to the nearest tenth of a km)?
A. 7.5 kilometers B. 4.8 kilometers C. 8.4 kilometers D. 3.2 kilometers
Solve the problem.Consider the difference equation yn = 2yn-1 + 1, y0 = 1.(a) Solve the difference equation.(b) Use the solution in (a) to find y8.
What will be an ideal response?
Solve the problem.The cost of manufacturing a molded part is related to the quantity produced during a production run. When 100 parts are produced, the cost is $300. When 500 parts are produced, the cost is $3900. What is the average cost per part?
A. $7.20 per part B. $0.11 per part C. $9.00 per part D. $10.00 per part
Change to a mixed number.
A. 16
B. 
C. 113
D. 113