You earn $20 per hour doing landscaping work. your total earning depend on the amount of hours your spend landscaping what is the independent and dependent variable

Independent: Hours  

Dependent: $ per hour

Step-by-step explanation:

The independent variable is the amount of hours because the hours doesn't have anything to depend on while the dependent variable is the amount of money per hour because the money depends on the number of hours worked. Hope this helps! :)

y=3x+4

step-by-step explanation:

given the points a(0,4) and b(-4, -8)

eqn of line ab: (y-4)/(x-0)=(-8-4)/(-4-0)

(y-4)/x=-12/-4=3

y=3x+4