Find the standard-form equation for a hyperbola which satisfies the given conditions.A hyperbola centered at the origin having vertex at (0, -2) and eccentricity equal to 2
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
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Find the sum of the series.
A. 
B. 
C. 
D. 
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Skeletal remains of the so-called "Pittsburgh Man", unearthed in Pennsylvania, had lost 74% of the carbon 14 they originally contained. Determine the approximate age of the bones. Round your answer to the nearest year. Hint: the decay constant k for carbon 14 is equal to 0.00012. ? __________ years
Fill in the blank(s) with the appropriate word(s).
Mathematics
Graph the level curves in the first octant at heights of 
and 
for the given equation.5x + 3y + z = 30 
A. 
B. 
C. 
D. 
Mathematics
Find the indicated matrix.-3A, where A = [-1 1 6 -3]
A. [-3 3 18 -9] B. [3 -3 -18 9] C. [3 1 6 -3] D. [-3 -1 4 -5]
Mathematics