Respuesta :

Hello from MrBillDoesMath!

Answer:

1) m = 9/5

2) m = 0

Discussion:  

1. y = (9/5)x + b follows the form "y = mx+b" so m = 9/5 for the first line

2. y = 5 is a horizontal line so m = 0

Thank you,

MrB