10 40 400
20 30 600
25 25 625
35 15 525
40 60 2400
I think
        
             
        
        
        
Answer:
The most basic fact about triangles is that all the angles add up to a total of 180 degrees. The angle between the sides can be anything from greater than 0 to less than 180 degrees. The angles can't be 0 or 180 degrees, because the triangles would become straight lines.
Step-by-step explanation:
basic only
 
        
             
        
        
        
Answer:
All real numbers except x cannot equal 10.
Step-by-step explanation: the denominator can not equal to zero that is undefined. 
 
        
             
        
        
        
Answer:
The answer is 20 hamburgers and 25 hot dogs.
20(.5)+25(.25)<16.5
         10+6.25<16.5
             16.25<16.5
The budget is $16.50 and $16.25 is $.50 less therefore making it a possible option for Enrique.