Answer:a)EF congruent to QR
Step-by-step explanation:
Im more then likely sure that it is dilation becuase you still have the same shape but with dilation you can make the shape smaller or bigger
It would be 54°, hope it helped.
Answer:
x = -1
y = 2
Step-by-step explanation:
y = x+3
x+2y = 3
substitute y
x+2(x+3) = 3
simplify
3x+6 = 3
subtract 6 from both sides
3x = -3
x = -1
y = -1+3 = 2
