Find the circumference C and the area A of a circle with radius r. Use ? ? 3.14.r = 1 km
A. C = 6.28 km, A = 3.14 km2
B. C = 1.57 km, A = 3.14 km2
C. C = 3.14 km, A = 6.28 km2
D. C = 3.14 km, A = 1.57 km2
Answer: A
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Solve the problem.After the semi-eulerization of a graph, the number of odd vertices is
A. the same as the number of even vertices of the graph. B. the same as the number of odd vertices before the semi-eulerization. C. not possible to determine without knowing the specific graph. D. 0. E. 2.
Simplify.
+ 
- 
A. - 
B. - 
C. 
D. 
Write the following in interval notation.{x| x > 6}
A. (-?, 6) B. (?, 6) C. (6, ?) D. (6, -?)
Use the roster method to write the given set of numbers. Interpret "between a and b to include both a and b."The whole numbers between -2 and 3
A. {1, 2, 3} B. {0, 1, 2} C. {-2, ..., 1, 2, 3} D. {0, 1, 2, 3}