Solve the equation by completing the square.x2 - 12x + 20 = 0
A. -10, -2
B. 18, 2
C. 10, 2
D. 2
, -2
Answer: C
Mathematics
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Graph.25x2 - 4y2 = 100
A. 
B. 
C. 
D. 
Mathematics
Answer the question.An average library contains at least 50 and at most 250 books. How many library owners must be polled to be certain that at least two owners have the same number of books in their libraries?
A. 202 owners B. 200 owners C. 203 owners D. 201 owners
Mathematics
Write the whole number in standard form.40,000 + 200
A. 40,200 B. 40,020 C. 4200 D. 20,400
Mathematics
Change the polar coordinates (r, ?) to rectangular coordinates (x, y).(4, 225°)
A. (-2
, -2)
B. (-2, -2
)
C. (2
, 2)
D. (2, 2
)
Mathematics