<u>Answer:</u>
Option d is the correct answer, i.e; payment_date IS NOT NULL AND invoice_total >= 500
<u>Explanation:</u>
When coded in a WHERE clause, which search condition will return invoices when payment date isn’t null and invoice total is greater than or equal to $500 then payment_date IS NOT NULL AND invoice_total >= 500 and the remaining options are wrong.
Therefore, the Option with, i.e; payment_date IS NOT NULL AND invoice_total >= 500 is the correct answer.
 
        
             
        
        
        
Answer:
The words and conduct of the offeror.
Explanation:
 
        
             
        
        
        
The school need to increase its tuition fee in order to increase its profitability despite having a full class already.
<h3>What is a 
profitability?</h3>
This refers to the measurement of an organization's profit in relation to its expenses.
Despite that this capacity of 100 seats are filled for the term, the school can decide to increase its tuition fee in order to increase its profitability for the school session.
Read more about profitability
<em>brainly.com/question/1078746</em>
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