Answer: 2 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
A B and E
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Option D) $275
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = $235
Standard Deviation, σ = $20
We are given that the distribution of amount of money spent by students is a bell shaped distribution that is a normal distribution.
Formula:

We have to find the value of x such that the probability is 0.975
 
  
Calculation the value from standard normal z table, we have,  

 
 
Approximately 97.5% of the students spent below $275 on textbook.
 
        
             
        
        
        
For the answer to the question above asking the explicit equation and domain for an arithmetic sequence with the first term of 5 and the second term of 2? I think the answer for this is <span>5-2(n-1); all integers where n≥0. I hope this helps.</span>