I have mercy:
8x and 9x+5 (the angles) form a right angle so 8x+9x+5=90 which means x is 5 and plugging it back into the angles 8x we get 40 sinceBHR and angle 8x are vertical angles they are equal to each other and so it's equal to 40
2-7x +10 =6
2-7(-2)+10
2-14+10
-16+10
-6
PEMDAS
I believe is kilometers to millimeters
Answer: The second option is right
