Factor by grouping.5xy - 25x + 7y - 35

A. (5x + y)(7y - 5)
B. (5x - 5)(y + 7)
C. (5x + 7)(y - 5)
D. (5x + 7y)(y - 5)


Answer: C

Mathematics

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Solve the problem.Write parametric equations for the tangent line to the curve of intersection of the surfaces    and   at the point  

A.     
B.     
C.     
D.     

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Graph the function.f(x) = 

A.

B.

C.

D.

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Expand.(x-3 + 6x3)5

A.  +  +  + 2160x3 + 5x9 + 7776x15
B.  +  +  + 10x3 + 6480x9 + 7776x15
C.  +  +  + 2160x3 + 6480x9 + 7776x15
D.  +  +  + 2160x3 + 6480x9 + 2x15

Mathematics

Consider an election with three candidates with the results: (ACB) (CBA) (BCA) 6 4 4 ? Is there a majority winner? If not, who is the plurality winner? Answer No, B; Yes, C; No, C; No, A; or Yes, BWho wins using the pairwise comparison method? Answer A, C, or B.Is the ordering for the choices for candidates in the previous question transitive? Answer yes or no.

What will be an ideal response?

Mathematics