Use the laws of exponents to simplify. Write the answer with positive exponents.(b5)4/5
A. b4/25
B. b4
C. b9/5
D. b1/5
Answer: B
Mathematics
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Perform the division.
A. 3r7 - 5r5 B. 3r6 - 5r4 C. 3r5 - 5r3 D. 27r5 - 45r3
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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
Mathematics
Evaluate the spherical coordinate integral.
A. 
?
B. 
?
C. 
?
D. 
?
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Determine whether the ordered pair is a solution for the linear inequality.(1, 2); 6x + 3y ? 12
A. No B. Yes
Mathematics