Answer:
you simplify it? I dont really know. :/
Step-by-step explanation:
Answer: I am in highschool and im doing this stuff. If you find out the answer let me know please.
(2x+1)+89=180. 180 is the angle of a straight line. Set your two known sides equal to 180 and solve for x if needed.
b
2400-1910=490
