Answer:
y = x2 + x - 20 factors into
y = (x +5) * (x -4)
Step-by-step explanation:
 
        
                    
             
        
        
        
There aren't any answer options so I will just simplify the expression:
10(2p+q)
20p+10q
        
             
        
        
        
Answer:
18.84
Step-by-step explanation:
Since the formula for circumference is  , we need to first find the radius. The formula for the radius is
, we need to first find the radius. The formula for the radius is  , so we will get
, so we will get  . Substitute that into
. Substitute that into  , and we get
, and we get  . Hope this helps!
. Hope this helps!
<h2><u><em>
Please mark brainliest!</em></u></h2>
 
        
             
        
        
        
Answer:
x = 7cm
Step-by-step explanation:

 
        
             
        
        
        
Si, los dos son iguales
Cuando haces 5x=15, la división dice que x = 3. Para 2x=6 puedes usar el resultado de x=3 de la problema de antes, y cuando te usas esto va a ver que 2 de x cuando x=3 es igual a 6, y por eso 5x=15 y 2x=6 son equivalentes.