Answer:
well for me
Step-by-step explanation:
7 mins
7×60
=420
plus the 30sec
450 sec
450/3600×100
45000/3600
450/36
12.5 
that's how I can help
 
        
                    
             
        
        
        
With the given conditions you should construct no traingle because it is scalene
        
             
        
        
        
If the pattern goes 26, 57, 88 you can find the difference between each number to see how much it's going up by each time. 57 - 26 = 31 and 88 - 57 = 31 
That means each week the number of boxes of a new cereal increases by 31, or +31
 
        
             
        
        
        
Answer:
(x,y)(-y,x)
Step-by-step explanation: