Answer:
Pair 1.
Step-by-step explanation:
On pair 1, shape A can go into shape B with a rotation.
Pair 2 would be a translation.
Pair 3 would be a reflection across the x-axis.
Pair 4 would be a reflection across the y-axis.
I'm assuming it's 57. Because 1/2 can equal .5 and 56.5+.5=57
Answer:

Step-by-step explanation:
The slope formula is 
Here,
is -6,
is 4,
is -5, and
is 4.


So, the slope of the line passing through the points (-6,-5) and (4,4) is
.