Evaluate the sum. Round to the nearest hundredth, if necessary.
A. 36
B. 66
C. 18
D. 33
Answer: D
Mathematics
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Find d2y/dx2 without eliminating the parameter.x = 1 - 10sin t, y = 1 + 9cos t, t ? n?
A. - 
sec t
B. - 
sec3t
C. 
cot t
D. - 
sec3t
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Subtract and check.
A. 24,258 B. 24,458 C. 24,348 D. 24,358 E. 24,368
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Find the length of the unknown side of the right triangle with sides a, b, and c, where c is the hypotenuse.b = 
, c = 
A. 2
B. 12
C. 
D. 
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Multiply.(5a - 2b)(2a - 3b)
A. 10a2 - 11ab + 6b2 B. 10a2 + 19ab + 6b2 C. 10a2 + 6b2 D. 10a2 - 19ab + 6b2
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