Answer:
21/F=M
Step-by-step explanation:
3 minutes per face so divide time and faces to get the time.
F=7  M=3
 
        
             
        
        
        
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:
The graph move up 5. 
Step-by-step explanation:
When we add a constant to the end of a parabola, it shifts the graph up and down. Since the constant here is positive, the graph moves up by that number (5) 
 
        
             
        
        
        
Answer:
D
Step-by-step explanation:
The rest you can elimate because of obvious inferring and reasoning so process of elimination
 
        
                    
             
        
        
        
Sorry I am late but the I think it is this, I don’t know the answer but here is what I know. answer is: Imagine a rectangle that has one vertex at the origin and the opposite vertex is A. Now that you can see the image of A(3,4) under the rotation is A’(-4,3). It is easier to rotate the points that lie on the axes, and these help us find the image of A. 
POINT: (3,0) (0,4) (3,4)
IMAGE (3,0) (-4,0) (-4,3)