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
Answer:
D
Step-by-step explanation:
Since a <em>fraction</em> is a division problem, you can do every answer and compare them until you get them in order, which D is the most reliable.
Answer:
5^2
Step-by-step explanation:
Answer:
(A) i will go 0 to 180 to be at a even round number
(B) divide the # of square by the 180, to fill the grid
