Rationalize the denominator. Simplify, if possible. Assume that any variables represent positive real numbers. 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = x2 + y2; 0 ? x ? 1, 0 ? y ? 1
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Find the ratio of the area of a circumscribed circle of a square to the area of the inscribed circle.
A. 
: 1
B. 4 : 1
C. 2 : 1
D. 3 : 2
Mathematics
Find the product, if possible. 
A. 
B. 
C. 
D. Not defined
Mathematics
Write a formula for the nth term of the arithmetic sequence. Do not use a recursion formula.2, -3, -8, -13, -18, . . .
A. an = -5n - 7 B. an = -12 - 5n C. an = -5n + 7 D. an = 5n - 7
Mathematics