Find the area of the triangle. If necessary, round the answer to two decimal places.A = 83°, b = 9, 
A. 3.29
B. 53.60
C. 26.80
D. 27.01
Answer: C
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?What advantage does a Circle Graph have over Bar Graphs?
A. ?Circle graphs show proportions/percentages of each category in order to make comparisons between categories. B. ?It uses categories, while bar graphs use numerical intervals. C. ?They both show the same information. D. ?The circle graph is generally easier to construct. E. ?The bar graph does not convert frequency information into percentages.
Solve the problem.Find the great-circle distance between Leningrad, Russia ( latitude 60° north, longitude 30° east) and Wausau, Wisconsin (latitude 45° north, longitude 90° west).
A. ? 4480 mi B. ? 1480 mi C. ? 44,800 mi D. ? 448.5 mi
Evaluate the expression according to the replacement value given.8a - 2b; replace a with 9 and b with 5.
A. 82 B. 67 C. 62 D. 70
Based on the graph, find the range of y = f(x).
A. (-?, 0) or (0, ?) B. (-10, 10) C. (-?, 0) or {0} or (0, ?) D. (-?, ?)