That means that it has 2 complex roots, and it has no x intercepts, means that it doesn't touch the x axis at all
        
             
        
        
        
A) 2x-7=13
 2x=20
 x=10 
B) 3x+4=25
 3x=21
 x=7
        
             
        
        
        
Answer:
1144 o 286
Step-by-step explanation:
Si pregunta por la cantidad de personas que se pesaron, la respuesta es (8/10) * (1430) = 8 * 143 = 1144.
 Si desea saber cuántas personas no se pesaron, la respuesta es 1430* (2/10) = 286
 
        
             
        
        
        
75% i would think if you subtract 25% from 100% of the class