Determine whether the matrices are inverses. 
, 
A. No
B. Yes
Answer: B
Mathematics
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Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = -7y3i + 7x3j + 6z3k ; C: the portion of the paraboloid x2 + y2 = z cut by the cylinder 
A. 336? B. -336? C. - 168? D. 168?
Mathematics
Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
Mathematics
Divide, if possible. If not possible, write "not defined." 
A. 1411 B. 1411 R 4 C. 1409 D. 1409 R 1
Mathematics
Factor.20y2 + 23y + 6
A. (4y - 3)(5y - 2) B. (20y + 3)(y + 2) C. (4y + 3)(5y + 2) D. (20y + 1)(y + 6)
Mathematics