Identify the type of surface represented by the given equation.
+ 
= 9
A. Parabolic cylinder
B. Ellipsoid
C. Elliptical cylinder
D. Paraboloid
Answer: C
Mathematics
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Find dy/dx by implicit differentiation. If applicable, express the result in terms of x and y.x2y5 + 9y = 9x - 1
A. 
B. 
C. 
D. 
Mathematics
Rewrite the sum using sigma notation.1 + 
+ 
+ 
+ 
+ ...
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.At the first tri-city meeting, there were 8 people from town A, 7 people from town B, and 5 people from town C. If the council consists of 5 people, find the probability of 2 from town A, 2 from town B, and 1 from town C.
A. .038 B. .090 C. .190 D. .076
Mathematics
Use a calculator to find the value of y in degrees rounded to two decimal places.y = sin-1 0.8941
A. 58.39° B. 63.39° C. 68.39° D. 65.39°
Mathematics