Respuesta :

1. the independent variable is the lawns
2. the dependent variable is how much money he makes
3. 18x=y
I'm not sure on which way your teacher wants you to do it but number 3 is just one way.//hope I helped.
1. the independent variable would be how many lawns he mows
2. the dependent variable would be the total
3. y=18x

Hope this helps!! :D