Respuesta :

Answer: MN= 6.67 or 6.7


Step-by-step explanation:

MN= 3X+20  

3X+20=0

    -20   -20

3X=-20

X=-6.67 OR -6.7




Amanda432

Answer:

68

Step-by-step explanation:

for all you k12 users

1) is 17

2) is 68

3) is not 161/11

4) is 51

thanks!