Find the product.(8y + x)(8y - x)
A. 64y2 - 16xy - x2
B. 64y2- x2
C. 64y2 + 16xy - x2
D. 16y2 - x2
Answer: B
Mathematics
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Provide an appropriate response.Simple interest is interest earned on interest.
A. True B. False
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Find the mean. Round to the nearest tenth unless otherwise stated.Average number of defects: 8.0, 8.2, 8.8, 7.5, 8.3, 8.0, 8.7, 8.8, 7.1, 8.0, 7.5, 7.7, 7.5, 8.2, 8.2, 6.9, 8.3, 8.7
A. 8.3 B. 7.6 C. 8.0 D. 8.5
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Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 45°, find the exact length of PQ. 
A. 1
B. 
C. 
D. 0
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Write the following proportions.20 is to 5 as 32 is to 8
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics