Simplify the rational expression. Assume that no variable has a value which results in a denominator with a value of zero.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Express as a single logarithm and, if possible, simplify.
[ln (y2 - 64) - ln(y + 8)] + ln (y + y)
A. ln (y - 8)(y - y) B. ln (y - 8)2/3(y + y) C. ln (y + 8)2/3(y + y) D. ln (y - 8)2/3(y - y)
Mathematics
Write the expression in lowest terms.
A. -x + n B. -x - n C. -1 D. x + n
Mathematics
Perform the division. Write the answer with positive exponents.
A. 4x3 + 5x2 - 7
B. 4x3 - 3x2 - 7 + 
C. -4x3 + 3x2 + 7 - 
D. 4x3 - 3x2 - 7
Mathematics
Find the surface area of the surface S.S is the cap cut from the sphere x2 + y2 + z2 = 16 by the cone z = 3
.
A. 16
?
B. 16
?
C. 32
?
D. 16
Mathematics