Find the vertices and locate the foci for the hyperbola whose equation is given.
- 
= 1
A. vertices: (-11, 0), (11, 0)
foci: (-9, 0), (9, 0)
B. vertices: (0, -11), (0, 11)
foci: (- 
, 0) , (
, 0)
C. vertices: (-11, 0), (11, 0)
foci: (- 
, 0) , (
, 0)
D. vertices: (-9, 0), (9, 0)
foci: (- 
, 0) , (
, 0)
Answer: C
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Solve the problem.The function A(x) = 1.06x -.02x3 gives the approximate alcohol level (in tenths of a percent) in a person's blood x hours after drinking about 8 ounces of 100-proof whiskey. What would the person's alcohol level be 2 hours after drinking? Give answer as a percent.
A. 0.196% B. 0.208% C. 1.96% D. 2.08%
Complete the construction.Construct the perpendicular bisectors of the obtuse triangle.
What will be an ideal response?
Solve the problem.How many different 11-letter words (real or imaginary) can be formed from the letters of the word MISSISSIPPI? Leave your answer in factorial form.
Fill in the blank(s) with the appropriate word(s).
Simplify.-|-67|
A. -1
B. - 
C. -67
D. 67