Answer:
3B-15a
Step-by-step explanation:
B3=3B
3a5=15a
so
3B-15a
Supplementary is when 2 angles add up to 180°.
180°-40°=140°
Answer: The area of Rhode Island is about 1,212 square miles
Divide 5/8 by 150, to see how thick each is, that'll give you 150 even pieces that add up to 5/8
Add them all up, and divide by 10 so 29+38+39+26+29+29+39+77+38+29 which is 33.5