Answer:
1. Evan 
2. Stacey
Step-by-step explanation:
 
        
             
        
        
        
Answer:
4x+2 
Step-by-step explanation:
2(2x+1)
4x +2
you distribute the the 2 
 
        
                    
             
        
        
        
Answer:
 (c). 
Step-by-step explanation:
h(t) = - 16 t² + 80 t 
Coordinates of the vertex are: 
<em>t</em> = -  =
 =  = <em>2.5 sec. </em>
 = <em>2.5 sec. </em>
<em>h</em> = - 16(2.5)² + 80(2.5) = - 100 + 200 = <em>100 ft</em>. 
 
        
             
        
        
        
Answer:
I think it is 2x-3y<7, also, I used a free program called Desmos to figure it out, in case you also want to.
Step-by-step explanation: