The top of “^” needs a number to solve it.
Y = f(3f - 4g + 3) +7g(3f - 4g + 3)
= 3f^2 - 4fg + 3f + 21fg - 28g^2 + 21g
= 3f^2 + 3f + 17fg + 21g - 28g^2
The first question is (7)
7 cups; there are two cups per pint, so three and a half pints equals seven cups of milk.