Answer:
Rotational symmetry 1
Step-by-step explanation:
You will get only one rotational symmetry when you turn 360
Answer: C
Step-by-step explanation:
When there is division inside a set of parentheses, you can distribute the power to each term. When you take a power to another power, you multiply the powers.
-5 x -4 = 20
-2 x -4 = 8
So your answer is:

Assessing the regression model on data other than the sample data that was used to generate the model is known as cross-validation
<h3>How to complete the blank?</h3>
From the question, we have the following highlights:
- Sample data, not used
- The model is a regression model
When the sample data is not used in a regression model, then the term is known as cross-validation.
Hence, the term that completes blank is cross-validation
Read more about regression models at:
brainly.com/question/25987747
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