19g/1000 would be the right answer when simplified.
The given expression is :
9 + 11g - 4h.
substitute h=7 and g = 2 in given expression,
9 + 11(2) - 4(7) = 3.
Hope this helps!
56
28 2
14 2 | 2
7 2 | 2 | 2
or
56
14 4
7 2 | 2 2
That is 2 of the y^2
that means 2y^2 aka 2 times y^2