Question

Help Which equations show that the set of whole numbers is not closed under subtraction?
Choose all answers that are correct.

A. 1 – (–2) = 3

B. 1 – 2 = –1

C. 2 – 0 = 2

D. 2 – 4 = –2

Answer 1

i looked it up on the computer and it said A.)

Answer 2

only A. ?

Answer 3

hold on i will go back and look

Answer 4

okay thank you

Answer 5

and c i think but if i'm wrong sorry

Answer 6

it's fine thanks for your help :)