Find the requested value.Find cot ? if tan ? = 
and ? is in Quadrant III.
A. - 
B. 
C. 
D. - 
Answer: C
Mathematics
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Multiply the monomial and the polynomial.-9x2y(4x2y4 - 9xy3 + 4)
A. -36x4y5 + 81x3y4 - 36x2y B. -36x4y5 + 81x3y4 - 36 C. -36x2y5 + 81x3y4 - 36x2y D. -36x4y5 - 81x3y4 + 36x2y
Mathematics
Find fx(x, y).f(x, y) = 
- 
A. fx(x, y) = - 
- 
B. fx(x, y) = 
- 
C. fx(x, y) = 
+ 
D. fx(x, y) = 
+ 
Mathematics
Simplify. Your answer should be in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.During the first four months of the year, Jack earned 
and 
If Jack must have an average salary of at least 
in order to earn retirement benefits, what must Jack earn in the fifth month in order to qualify for benefits?
A. at least $1470 B. at most $1190 C. at least $1134 D. at most $1120
Mathematics