Answer:
The "sweatshirts sold" column is the numbers on the x axis and the "money collected" column is the numbers on the y axis. For example, the first one would be graphed as (3,60)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
I'm glad you asked!
Step-by-step explanation:
OK,let's simplify the number for a equivalent expression.

Distribute:


Combine Like Terms:



The Final Answer is : 
 
        
             
        
        
        
Yes, because the sample is random. If she had chosen the participants in any way other than randomly, it would not be representative of her entire school.
        
             
        
        
        
Answer:
f(8) = -9
Step-by-step explanation:
Substitute 8 in for x.
f(8) = -2(8) + 7
f(8) = -16 + 7
f(8) = -9
 
        
             
        
        
        
Answer:
56
Step-by-step explanation:
56