Answer:
Pretty sure it's B, the second one from the top
Answer:
g = 6
Step-by-step explanation:
can u explain it
Step-by-step explanation:
I can't understand it
It can save time from doing number crunching and analysis because it's an easy to see visual.
Answer:
<h2>9</h2>
Step-by-step explanation:
(-)(-) = (+)
(-)(+) = (-)
(+)(-) = (-)
(+)(+) = (+)
-(-21) = (-)(-21) = (+)21 = 21
-12 - (-21) = -12 + 21 <em>use commutative property: a + b = b + a</em>
= 21 + (-12) = 21 - 12 = 9
