Find the center of mass of a thin plate covering the given region with the given density function.The region bounded below by the parabola 
and above by the line 
, with density 
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Answer: B
Mathematics
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Write the ratio as a fraction in lowest terms.8
to 8
A. 
B. 
C. 
D. 
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Solve the differential equation.dy + 8y dx = e-8x dx
A. y = e-8x (x + c) B. y = e8x (x + c) C. y = x e-8x D. y = 8x + ce-8x
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Find the perimeter and area of the figure.A rectangle 6 mi by 11 mi
A. P = 24 mi, A = 132 mi2 B. P = 17 mi, A = 132 mi2 C. P = 10 mi, A = 66 mi2 D. P = 34 mi, A = 66 mi2
Mathematics
Determine whether the rule defines y as a function of x.XY 
A. Function B. Not a function
Mathematics