Calculate the area of the surface S. S is the portion of the cone 
+ 
= 
that lies between z = 1 and z = 2.
A. 
B. 
?
C. 
?
D. 
?
Answer: B
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The figure below is a square ABCD with center O. (M, N, P, and Q are the midpoints of the sides.)
Which of the following reflections is not a symmetry of the square?
A. the reflection with axis the line passing through P and Q B. the reflection with axis the line passing through A and C C. the reflection with axis the line passing through A and B D. the reflection with axis the line passing through M and N E. all of these are symmetries of the square.
A right triangle with acute angle ? is given. Evaluate the indicated trigonometric function of the acute angle ?.Find csc ?.
A. 
B. 
C. 
D. 
A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given.A = 
bh for b = 6, h = 6
A. A = 18 B. A = 36 C. A = 12.5 D. A = 12
Factor completely. If the polynomial cannot be factored, say it is prime.2y3 + 10y2 - 6y2 - 30y
A. (y + 5)(y - 3) B. 2y(y - 5)(y + 3) C. 2y(y + 5)(y - 3) D. (y + 5)(2y2 - 6y)