Answer:
The ball will hit the ground in 1.33 s if no one touches it. The equation has 2 real solutions.
Step-by-step explanation:
The ball will hit the ground when its height is equal to 0 meters, therefore using this value in the expression and solving for "t" will give us the correct solutions.

The ball will hit the ground in 1.33 s if no one touches it. The equation has 2 real solutions.
 
        
             
        
        
        
Flat and idk the other one
        
             
        
        
        
Answer:
y = 3
Step-by-step explanation:
39 = 13y 
y = 3 (explanation: by dividing 13)
Check answer:
39 = 13(3)
39 = 39 
 
        
                    
             
        
        
        
Answer:
y=1.6x-5
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Rectangular Prism
Step-by-step explanation:
We usually see building shaped as a 3D rectangle. If this is the type of building you are talking about, we use a rectangular prism in order to build the building with correct measurements.