Find the product.(p - r)(p + r)
A. p2 - r2
B. 2p2 - r2
C. p2 - 2r2
D. p2 + r2
Answer: A
Mathematics
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and outside 
A. 16
B. 16
C. 16
D. 16
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Find a polar equation for the curve represented by the given Cartesian equation.
x² = 3y
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Find the following root if it exists.
A. -4 B. -8 C. This root does not exist as a real number D. 4
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Write the augmented matrix for the system.
A. 
B. 
C. 
D. 
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