Name the polygons shown in the figure according to the number of sides. Which of them is a triangle?
A. Figure a
B. Figure b
C. Figure f
D. Figure c
E. Figure d
F. Figure e
Answer: F
Mathematics
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Determine whether or not the triangles are similar.
A. Similar B. Not similar
Mathematics
Find the domain of the logarithmic function.f(x) = log2(x + 6)
A. (2, ?) B. (-6, ?) C. (-?, 0) ? (0, ?) D. (6, ?)
Mathematics
Solve the problem.Andy has 15 coins made up of quarters and half dollars, and their total value is 
How many quarters does he have?
A. 7 quarters B. 13 quarters C. 8 quarters D. 9 quarters
Mathematics
Decide whether or not the points are the vertices of a right triangle.(-8, 9), (1, 9), (1, 12)
A. Yes B. No
Mathematics