The marginal revenue for the 10th seat sold is $600.
<h3>What is marginal revenue?</h3>
This is the increase in revenue that results from the sale of one additional unit of output.
In a perfectly competitive market, price, average revenue and marginal revenue are the same at each level of output.
P = AR = MR
For this given question, P = AR = MR = $600
Thus, the marginal revenue for the 10th seat sold is $600.
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Sorry But I’ll Just Take This As Free Points .. Thank You .-.
        
             
        
        
        
An essay, list of activities you do, recommendation forms etc usually help a bunch
        
             
        
        
        
Answer:
C
Explanation:
The two z angles form a 90° angle so one z angle would be 45°
 
        
                    
             
        
        
        
Schools often uses different techniques in learning. How a person can  exhibit the 4cs are;
- Always have a timely Critical and Creative way of thinking. Make sure you use new modeling teaching that arouse the students curiosity to think critically and be creative also.
- Have a timely Communication and Collaboration tools. Use the various media tool for effective communication. Use summary, dramatic kind of presentation etc.
- Always present and share the group’s ideas with one another through he use of group learning via media learning tools where all can be online and interact.
- Have a good Schedule of all steps to take in teaching and learning.
<h3>What are the 4Cs?</h3>
They are often used as tools and they are known to be key life skills that students can relate with in their everyday experiences at school and they are known to align their ability to live and connect with other people, etc. They are;
- Creativity
- Critical Thinking
-  Communication
- Collaboration 
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