Answer:
B
Step-by-step explanation:
Answer:
X=-7
Step-by-step explanation:
X + 142=135°
X=135-142
X=-7
So the value of X is -7
That would be 4/6, or 2/3 simplified. As a percent, that would be 66%.
I hope this answer helped you! If you have any further questions or concerns, feel free to ask! :)
Answer:
63
Step-by-step explanation:
9x7=(10x7)-1x(7)
=70-7
=63