The answer I got was -3x^(3)+6
        
             
        
        
        
Step-by-step explanation:
7 students were in the van so 187 - 7 = 180. 180 ÷ 4 = 45, there were 45 students on each bus. Not sure if this makes total sense, hope it helps
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
Decrease = 100 - 49 = 51
Percentage of decrease = 

= 51%
 
        
             
        
        
        
<span>Equivalent ratios are ratios that name the same comparison. Meanwhile, equivalent fractions </span><span>are fractions that name the same amount or part. Equivalent ratios and equivalent fractions are similar in that the two quantities refer to ratios and fractions that ultimately have the same value but are expressed in a different way. For example, 48/64 is equivalent to 72/96, both have the value of 3/4. </span>
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
Batman