question a is divide. 48 divided by -8 is -6.
question b is divide. -40 divided by 8 is -5.
question c is subtract. The negative sign on the 2 and the minus symbol cancel out.
question d is add. If you put a minus sign, the signs would cancel out and become addition.
question e is add. If you put a minus sign, the signs would cancel out and become addition.
question f is multiply. Half of 22 is 11 and the 0.5 is negative.