The answer to this question is -2
Your answer would be, <span>No, it is not a valid inference because her classmates do not make up a random sample of the students in the school </span>
The correct answer is the third option.
Answer:

Step-by-step explanation:
Given
<em>-- Corrected</em>
Required
Use the GCF to write it as a distributive property
First, we find the GCF of 75 and 45


The common factor is:


So,
becomes

Factorize

<em>Hence, the sum has been rewritten as </em>
<em></em>