Answer:
the mean number is 2.7
Step-by-step explanation:
if you add up the frequency of books then divide by 20 you get 2.7
I’m sorry I’m a little confused but if this helps angle 2 is vertical angles with angle8 so they are equal! :) I hope this helps
Answer:√3
Step-by-step explanation:
Mj will be 60 dagree for the others use the hypatos formula
