The answer is -9-18x
27−9x−9(x+4)=
27−9x−(9x+36)=
27−9x−9x−36=
Collect like terms.
(27−36)+(−9x−9x)= −9−18x
I think its f(0) = 3
Thats the only one that sounds true but not sureee
There would be 2 groups. The greatest amount in each pile is 2 cards.
I think number #29 is A but may be B and number #30 is C
