Question

Evaluate r - s if r= -18 and s= -11.
A) -29
B) -7
C) 7
D) 29

Answer 1

the answer is B (-7)

Explanation:

-18--11. The two minus becomes a +

Answer 2

b.) -7

Explanation:

r - s is (-18) - (-11) so you can take out the double negative to get -18 + 11 or 11 - 18 which is -7.