I think it is F, but I am a not sure.
To add or subtract with powers, both the variables and the exponents of the variables must be the same. You perform the required operations on the coefficients, leaving the variable and exponent as they are.
I think it is D cause it could be equal
He can't put one in each bag so we will have to go to the decimals 4 divided by 7 which equals to .5714
