Write an equation for the parabola with vertex at the origin.Focus 
A. x2 = - 
y
B. y2 = 
x
C. y2 = - 
x
D. x2 = -44y
Answer: A
Mathematics
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A. 216 min B. 432 min C. 1,080 min D. 0.3 min
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Use the fact that 
to evaluate the expression without using a calculator.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
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A. 271 boys B. 445 boys C. 97 boys D. 174 boys
Mathematics