Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 
B. 
C. 
D. -1
Answer: A
Mathematics
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Find the surface area of the surface S.S is the paraboloid x2 + y2 - z = 0 below the plane z = 6.
A. 
?
B. 
?
C. 31?
D. 
?
Mathematics
Decide whether the ordered pair is a solution of the given system.(-2, -6)2x + y = 23x + 2y = 6
A. No B. Yes
Mathematics
If possible, evaluate the function at the given value of the variable.f(x) = 
at x = 36
A. 
B. 1
C. Not possible
D. - 
Mathematics
Write the exponential expression with positive exponents. Simplify if possible.27-2/3
A. 
= 
B. 
= - 
C. 
= 
D. -272/3 = - 9
Mathematics