The answer is B, 6.1558
Answer:
10x2y3 -4xy2
Step-by-step explanation:
Just take the like terms and separate them-
1) 4x2y3 - (-7x2y3)= 10x2y3
2)2xy2 - 6xy2= -4xy
3)-2y - (-2y)= 0y
Hope this helps :)
21/40
5
1,2,5
5+12
there is no equals sign in an expression so it is just that
into 
the answer will be 