Answer:
I think there is an error in the question because
(f-g) = -4
(f-g) (7) = NO SOLUTION
Step-by-step explanation:

Answer:
$20-$3.99(milk)=$17.01÷$4.39(cereal)=4 boxes of cereal
Answer:

Step-by-step explanation:
in the equation given these are the values:
a=1 b= -5 c= -7
if we plug this in the quadratic formula 
this is simplified to 
hope this helped
14 divided by 3 you would get 4 2/3 but since all the bags have to have the same amount it should be 4
Hope this helps!