Find the standard deviation. Round to the nearest tenth.19, 21, 41, 26, 68, 76
A. 509.8
B. 22.6
C. 33.5
D. 41.8
Answer: B
Mathematics
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.A hyperbola having a vertex at (0, -5) and eccentricity equal to 2
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Mathematics
Evaluate the improper integral or state that it is divergent.
A. -7?
B. 0
C. - 
D. 
Mathematics
Convert the units using two or three unit fractions.28 c = 
qt
A. 126 B. 14 C. 56 D. 7
Mathematics
Subtract the polynomials.(2x5 + 6x2 - 14) - (8x5 + 8x2 - 12)
A. -6x5 - 2x2 - 26 B. -10x7 C. -6x5 - 2x2 - 2 D. -6x5 + 14x2 - 26
Mathematics