Solve by trial.x - 3 = 13
A. 21
B. 6
C. 18
D. 16
Answer: D
Mathematics
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Find the vertex, focus, and directrix of the parabola with the given equation.(x - 2)2 = -4(y - 1)
A. vertex: (2, 1) focus: (2, 0) directrix: y = 2 B. vertex: (1, 2) focus: (1, 1) directrix: y = 3 C. vertex: (-2, -1) focus: (-2, -2) directrix: y = 0 D. vertex: (2, 1) focus: (2, 2) directrix: x = 0
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Find the exact circular function value.cos 2?
A. 0
B. 1
C. -1
D. 
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If a problem asks “how many cubes are in the nth figure,” an approach to solving the problem might be:
(a) Guess and Test. (b) Draw a Picture. (c) Make a Table. (d) Look for a Pattern. (e) Use a Variable.
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Determine the unknown fractional part of the circle graph.
A. 
B. 
C. 
D. 
E. 
Mathematics