Solve the triangle given below. Do not round results during calculations. (For answers, round lengths to three significant digits and angles to the nearest tenth of a degree).C = 47.6°, a = 82.8 cm, c = 90.9 cm
A. A = 42.3°, B = 90.1°, b = 123 cm
B. A = 90.1°, B = 42.3°, b = 123 cm
C. A = 90.1°, B = 42.3°, b = 112 cm
D. A = 42.3°, B = 90.1°, b = 112 cm
E. No solution.
Answer: A
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A. 
- 
x2 + 
x
B. 
- 3x2 + 4x
C. 
- 
x3 + 
x2
D. 
+ 
x2 - 
x
Determine whether or not the function is one-to-one.
A. No B. Yes
Solve the problem.A window is in the shape of a square topped by a semicircle. The side of the square is x cm and the window cannot be wider than 150 cm. Find the function for the perimeter of the window and the domain of the function.
A. P = 3x + 
?x2 : 0 < 150 ? x
B. P = 4x + 
?x2 : 0 < x ? 150
C. P = 4x + ?x : 0 < x ? 150
D. P = 3x + 
?x : 0 < x ? 150
The graph shows sales in thousands of dollars for 1989 and 1990. Use it to answer the question. 
What month in 2006 had the highest sales?
A. Month 12 B. Month 3 C. Month 5 D. Month 2