Answer:
Her answer is wrong because she the object cannot hit the ground at negative seconds. She could’ve have used other methods because she used the quadratic formula. The advantages is that it works for every situation. The disadvantages is that it takes longer. She should’ve used a different method.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
65
Step-by-step explanation:
they're going by 5s every time her score increases. hope I helped (:
 
        
             
        
        
        
She has 144-100=44.  44-4=40.  Medium holds to beads you will need 4 medium boxes.
        
                    
             
        
        
        
Answer:
3
Step-by-step explanation:
6/2=3 
six halves of cookies put the halves into pairs and you get 3
 
        
             
        
        
        
Answer:
D = (55)(4.5)  
425 = 60 T  
200 = R (2.5)  
4.6 hours  
59 mph  
217 miles 
Step-by-step explanation: