Answer:
A, (2,5) and (-2,5) are reflections of each other on the x axis
The standard deviation is 2.6832815729997
Step-by-step explanation:
SD^2=(12-12)^2+...+(14-12)^2/10
SD^2=72/10
SD^2=7.2
SD=squeare root of 7.2
SD=2.6832815729997
d
I took the test. Hope I could help!
