Respuesta :

A is your answer -28y^2-29y-18
4 (4y - 7y^2) - 9(5y + 2) distribute through parenthesis
16y - 28y^2 - 45y + 18   combine like terms
 - 28y^2 - 16y - 45y + 18 simplify 
-28y^2 - 29y + 18, option C

hope this helps:D