What exactly are you asking for....?
The answer is 17. 30-13=17.
Answer:
41.75
Step-by-step explanation:
<h2><em>Hope this helps and have a nice day :)</em></h2>
Hello:
the standard equation of a circle : <span>(x – h)2 + (y – k)2 = r2
ridus : r center A(h , k )</span>
To determine whether a cause-effect relationship exists between two variables, a researcher must use an experimental approach.
<h3>What is
cause-effect relationship?</h3>
A cause-and-effect relationship is one which satisfies some conditions like:
- two events occur at the same time and in the same place
- one event immediately precedes the other
Therefore, To determine whether a cause-effect relationship exists between two variables, a researcher must use an experimental approach.
Learn more about cause-effect relationship on:
brainly.com/question/25680753
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