Answer:
What's the question you need help on?
2x - 4 = 60
2x = 64
x = 32
hope it helps
The situation can be expressed with the following.
P=550-127
Answer:
atleast 385
Step-by-step explanation:
Given that an electrical power company is looking to expand into a new market. Before they commit to supplying the new area with electricity, they would like know the mean daily power usage for homes there.
Population std deviation = 
Sample size =
STd error of sample mean = 
Margin of error for 95% would be Critical value ( std error)
Here since population std dev is known we can use Z critical value= 1.96

Sample size should be atleast 385
and when they got there they all got teleported back in time 66, 000, 000 years ago to the dinosaurs