Answer:
The variable can be any letter.
Step-by-step explanation:
Answer:
$10.50 an hour
Step-by-step explanation:
210/20 = 10.5
Maybe because you're finding the "difference" between the two numbers. We could also question why the answer to an addition problem is called sum.
Well, 'sum'body said that's what they should be called a long time ago, that's why we're using that term to call them now.
Answer:
The answers is "
Option B".
Step-by-step explanation:

Where,
predicted value of lead content when traffic flow is 15.


Calculating thet-critical value
The lower predicted value 

When
of CI use as the expected lead content:

Answer:
56
Step-by-step explanation: