A right triangle with acute angle ? is given. Evaluate the indicated trigonometric function of the acute angle ?.Find cot ?.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate the given double integral by changing it to an iterated integral.
S is the triangular region in the first quadrant bounded by the lines x = y/4, x = 1, y = 0, and y = 4
A. 
(e - 1)
B. 
(e - 1)
C. 64(e + 1)
D. 
e
Mathematics
Given that line l is parallel to line m, identify the specified angles.All pairs of alternate interior angles. 
A. ?1 and ?5; ?2 and ?6; ?4 and ?8; ?3 and ?7 B. ?4 and ?6; ?3 and ?5 C. ?4 and ?5; ?3 and ?6 D. ?1 and ?7; ?2 and ?8
Mathematics
Multiply.(9y2 - 4y + 7)(5y - 8)
A. -27y3 + 12y2 - 21y B. -27y3 - 52y2 + 21y C. 45y3 + 52y2 + 3y - 56 D. 45y3 - 92y2 + 67y - 56
Mathematics
Find the formula for the function.Express the area of a square as a function of its side length x.
A. A = x2 B. A = 4x C. A = 2x D. A = x4
Mathematics