Find the sum of the sequence.
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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Solve the problem.How many three-digit numbers have the sum of their digits equal to 20?
A. 32 B. 36 C. 40 D. 30
Mathematics
Provide an appropriate response.Plot the following point: (-2, 1). Describe the process.
What will be an ideal response?
Mathematics
Determine the standard equation of the hyperbola with the given characteristics and sketch the graph.The center is at (0, 0), a vertex is at (0, 4), and a focus is at (0, -
).
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Use the fundamental identities to simplify the expression.
A. cos x B. cos2 x C. sin x D. sin2 x
Mathematics