Question

please tell the answer with explaination
see the above attachment​

Answer 1

a) it's not a negative number ( because minus and minus is plus)

b) it's a not a negative number(both of the minus will be cut)

c) it's not a negative number(it do not have a minus sign)

d) it's a negative number ( it has a minus sign)

Answer 2

$(d) \frac{3}{ - 7}$

Step-by-step explanation:

$(d) \frac{3}{ - 7}$

In other options negative sign is changed to positive (i. e. negative signs get cancel or product of two negative sign is equal to positive sign)