Answer:12,450
Step-by-step explanation: Since the climber descends to meet a fellow climber by 200 ft you are going to subtract so the equation is going to be 12,740-200 ft so what does that equal it equals 12,540 ft because it is only subtracting 740-200 ft so 740-200=540 so your answer would more likely be 12,540 not the negative answer.
Answer:

Step-by-step explanation:
The missing parameters are:
--- population
--- population mean
-- population standard deviation
Required

First, calculate the sample standard deviation




Next, calculate the sample mean 

So:

So, we have:



Calculate the z score




So, we have:

From the z table

So:

Correct answer is B
25 characters
Answer:
yes
Step-by-step explanation:
10 20 30 40 50 60 70 80 90 100 etc
The left side of the equation subtracts x from 2x.
That means 1x, or just simply x, is left on the left side.
We now have this: x = 6
So, x is 6. Hope this helps!