Answer:
<em>x = 9</em>
Step-by-step explanation:
Vertical angles are congruent, so their measures are equal.
4x + 6 = 7x - 21
Subtract 7x from both sides.
-3x + 6 = -21
Subtract 6 from both sides.
-3x = -27
Divide both sides by -3.
x = 9
It should be the second one
Answer:
C
Step-by-step explanation:
Saw it on a quizlet
Answer:
218
Step-by-step explanation:
14 x 12 = 168 + 50 = 218
idf.k why u sent that pic, also your welcome.