Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(3x + 4y)(3x - 4y)
A. 9x2 - 16y2
B. 9x2 - 24xy - 16y2
C. 9x2 + 24xy - 16y2
D. 6x2 - 8y2
Answer: A
Mathematics
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, cos t = - 
. Find cot t.
A. 
B. - 
C. 
D. 
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. Find the velocity 
A. ds/dt = 
B. ds/dt = 
C. ds/dt = 
D. ds/dt = 
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A. 15 feet B. 16 feet C. 18 feet D. 17 feet
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