Add 12 to both sides of the equal sign, then simplify.
Answer:
correct answer is : To determine to measure of the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.
Answer:
I think it's E and F. Let me know if I am wrong.
Step-by-step explanation:
Answer: J x=6; slope is undefined
Step-by-step explanation: