Answer:
See below
Step-by-step explanation:
The initial ordered-pairs are 
We have a rotation of 90 degrees counterclockwise with respect to origin
Note. Previously the points were

After the rotation, we have

Thus, 
Then shifting horizontally to the right 2 units, we get ΔA'B'C'
Thus,

Eduardo is packing 12 pairs of mismatched socks for his trip.
Answer:B
Step-by-step explanation:
20% of 55 is 11
Workingout: 20%/100% = 0.2
0.2 x 55 = 11
:)
Well if you have three and add negative 3 it equals 0