Answer:
C. Carolyn did not subtract 4 from both sides of the equation.
Step-by-step explanation:
3x-2(x+2)=7 should be 3x-2x-4=7 not 3x-2x+4=7
Answer:
125 degrees.
Step-by-step explanation:
L is the midpoint of NK so the arcs NM and Mk are equal.
So MK = 55 degrees and the arcs JN and JK are equal
Therefore
JK =
(360 - 2*55)/2
= (360 - 110) / 2
= 250 /2
= 125 degrees.