Polar coordinates of a point are given. Find the rectangular coordinates of the point.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the indicated derivative for the given vector-valued function .Find Dtr(t) for r(t) = (t3)i - (csc t)j + 19k.
A. Dtr(t) = (3t2)i + (csc t cot t)j B. Dtr(t) = (3t2)i + (csc t cot t)k C. Dtr(t) = (3t2)i + (cot2 t)j D. Dtr(t) = (3t2)i - (csc t cot t)j
Mathematics
Factor by grouping.uv - 7u + 5v - 35
A. (u - 5)(v + 7) B. 5u(v - 7) C. (u + 5)(v - 7) D. (u - 5)(v - 7)
Mathematics
Convert the length as indicated.884 millimeters to centimeters
A. 88,400 cm B. 8.8 cm C. 8840 cm D. 88.4 cm
Mathematics
Simplify.
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+ 
? 
A. 
B. 
C. 
D. 
Mathematics