Answer:
black and white should do right?
a. 50 degree
b.40 degree
c.140 degree
w=3
Step-by-step explanation:
7x3=21
# 10 is 4/3 or 1 and 1/3
#11 is 4/10 or 2/5
#12 is 2 and 3/4
#13 is 36/12 or 3 and 1/12
i am not 100% sure on #13 btw
hope this helped!
p.s it would be cool if you gave me brainliest.