Find the center and the radius of the circle.x2 + y2 - 4x + 10y = -13
A. (5, -5); r = 4
B. (2, -5); r = 6
C. (2, -4); r = 4
D. (2, -5); r = 4
Answer: D
Mathematics
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Rationalize the denominator. Assume that no radicands were formed by raising negative numbers to even powers. 
A. 
B. 
C. 
D. 
Mathematics
Rewrite the fraction in simplest form.
A. 
B. 
C. 
D. 
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An automobile transport is loaded with 9 new Chevrolet Malibu sedans, each valued at $21,330.What is the total value of the cars carried by the transport? ?
A. $191,995 B. $191,965 C. $191,970 D. $191,940
Mathematics
For isosceles triangle XYZ with 
and point W on base 
, 
is an altitude. If XZ = 12 and YW = 8, find XY.
What will be an ideal response?
Mathematics