Answer:
-0.5
Step-by-step explanation:
36b+12b=-11-13
48b=-24
B=-24/48=-1/2
B=-0.5
Please mark as brainliest
1) first one....90-27=63°
2)180-128=52°>>>>that is B
3)first one is suppliment....so A
4)180-125=55°....I think D....but not in pic !!!
so...go for it !!!
I believe its... 21 × 10 = 210