Answer:
Step-by-step explanation:
1) Reflection over 
2) The triangles are congruent by SAS, so when 
is mapped onto 
, because points 
and 
are corresponding, 
will correspond with .
3) Yes, because 
, so the triangles are congruent by SAS.
supplementary angles add to equal 180. so x + 57 = 180. solve for x and you get 123.
Answer:
what makes a graph linear:
• it's a straight line
• has a constant rate of change (slope)
• and of course it runs once through the y axis.
