Find the area of the triangle. If necessary, round the answer to two decimal places.A = 23°, b = 9, 
A. 3.53
B. 3.52
C. 3.50
D. 3.51
Answer: B
Mathematics
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Multiply. Write the answer in descending order.8y2(-5y2 - 2y - 5)
A. 3y4 + 6y + 3 B. -40y4 - 16y - 40 C. -40y4 - 16y3 - 40y2 D. -40y4 - 16y2 - 40
Mathematics
Solve the problem.If k = 
and k2 - 3k = 18, find x.
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {6, 
}
Mathematics
Write the terms for the partial fraction decomposition of the rational function. Do not solve for the constants.
A. 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
+ 
D. 
+ 
Mathematics
Find the vertices and locate the foci for the hyperbola whose equation is given.
- 
= 1
A. vertices: (-6, 0), (6, 0)
foci: (- 
, 0) , (
, 0)
B. vertices: (-7, 0), (7, 0)
foci: (-6, 0), (6, 0)
C. vertices: (0, -7), (0, 7)
foci: (0, - 
) , (0, 
)
D. vertices: (0, -7), (0, 7)
foci: (- 
, 0) , (
, 0)
Mathematics