90°
∠AEF is a right angle
∠CEF is a straight angle
m∠CEF = m∠CEA + m∠BEF
Answer:
a=18-3 and b=32÷8
Step-by-step explanation:
the first one
Answer:
sorry I don't know the answer
Step-by-step explanation:
if I will know the answer I will see it
Answer:

Step-by-step explanation:
4 sheets
Explanation
30 divided by 9 gives you 3.333333
But you can’t have 3 1/3 of a sticker sheet so you round up to 4 sheets