Answer:
Option D
Step-by-step explanation:
Generally the equation for Margin of Error is mathematically given by
Condition for Largest M.E
n has to be smallest and Z value has to be largest.
Where
From options
Smallest 
Largest Z value respects to 
Therefore
n= 300, confidence level 95%
Option D
Answer:
9139.50
Step-by-step explanation:
since it didn't mention any withdraws from the account or any charges, its just a matter of multiplying 7.75 by 18 and adding it to the original balance.
Answer:
its an open circle on -2 and the line is to the right
Step-by-step explanation:
-2x=4
x=4/-2=-2
and the sign is the same and its an open dot because its not greater too or equal to
