Simplify.-19 + 32
A. 28
B. -10
C. 256
D. -28
Answer: B
Mathematics
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Solve the problem.Find the vertices and foci of the following hyperbola:
- 
= 1
A. Vertices: (0, 4), (0, -4); Foci: (0, 10), (0, -10) B. Vertices: (16, 0), (-16, 0); Foci: (10, 0), (-10, 0) C. Vertices: (4, 0), (-4, 0); Foci: (10, 0), (-10, 0) D. Vertices: (0, 10), (0, -10); Foci: (0, 4), (0, -4)
Mathematics
Write the sentence as a proportion.3 is to 11 as 21 is to 77.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Tell whether the statement is true or false.0 is a natural number.
A. True B. False
Mathematics
Find all values that make the expression undefined.
A. 9, -9 B. 0 C. -6, -9 D. 6, 9
Mathematics