Answer:
Margin of error ![=E=[69]](https://tex.z-dn.net/?f=%3DE%3D%5B69%5D)
Step-by-step explanation:
Data provided in the question:



At
confidence level the
is.





Margin of error ![=E=[69]](https://tex.z-dn.net/?f=%3DE%3D%5B69%5D)
Answer:
the firs tone is right
Step-by-step explanation:
5 x 2x = 10x + 5 x 8 = 40 which is 10x + 40
Answer:
BD is half of the answer BF is
Step-by-step explanation:
BD is only half of BF so find the answer for BF and then divide by @ and you have your answer.