Answer: 2500 grams
Step-by-step explanation: 2.5 x 1000 = 2500
 
        
             
        
        
        
Answer:
Plug this in a calculator and the answer will pop up.
Step-by-step explanation:

 
        
             
        
        
        
Answer:
Yes
Step-by-step explanation:
the function that gives the alcohol level is: 

where x is the number of hours. 
we need to know if after 4 hours an average person is legally drunk, thus: 

and we substitute this in the function: 

solving these operations we obtain:

 
the alcohol level after 4 hours is 3.24.
Since a person is considered to be legally drunk if the level exceeds 1.5, and we obtained 3.24 which is greater than 1.5, a person who has been drinking for 4 hours under the conditions indicated by the problem would be considered legally drunk.
 
        
             
        
        
        
The correct answer is -3 through -6.
        
             
        
        
        
It means that the two vectors are perpendicular or orthogonal