Use the given triangles to evaluate the expression. Rationalize all denominators. 
sin 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the special product.(3x - y)2
A. 9x2 - 6xy + y2 B. 9x2 - 6xy - 2y2 C. 9x2 + y2 D. 9x2 - 3xy + y2
Mathematics
Evaluate the expression.3-2
A. -9
B. 9
C. 
D. 
Mathematics
Find the point-slope form of the equation that is described.Slope is - 
, passes through the point (5, -2)
A. y + 2 = - 
(x - 5)
B. y - 5 = - 
(x + 2)
C. x - 2 = - 
(y + 5)
D. y - 2 = - 
(x + 5)
Mathematics
Find the center of mass of a thin plate of constant density covering the given region.The region between the curve y = 
and the x-axis from 
to 
A. 
= 
, 
= 
ln 36
B. 
= 
, 
= 
ln 36
C. 
= 860, 
= 36 ln 36
D. 
= 
ln 36, 
= 
Mathematics