Answer:
Step-by-step explanation:
6f^2 - 9f + 10 + 2f^2 + f - 3
8f^2 - 8f + 7
The coefficients are 4, 5 and 7
There is no constant
The second one is right
How about I have no idea...
E = 120
F = 60
G = 120
H = 60
