The scale factor is 5/3
9(5/3) = 15
<em>n</em> must be 0, since <em>x </em>ⁿ = 1 for all positive, real <em>x</em> if <em>n</em> = 0. So the answer is A.
The strategy that Lucy uses to recall her phone number is what is known as Chunking.
<h3>What is Memory?</h3>
This refers to the place where information is stored for future use and can either be a short or long-term memory.
Hence, we can see that based on the breaking down of her phone numbers of Lucy into a particular format that separates them using country/state code, she is making use of chunking.
This method of chunking is effective because it would help Lucy to recall her number quite easily.
Read more about memory here:
brainly.com/question/24688176
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True, if you see the picture of a triangle with altitudes, the lines are drawn on the inside. Hope that helps!)