17. Its answer C i wil tell you the other one in a sec
I believe it is the first option. Hope this helps!
Answer:
Dependant variables- how much fertiliser depends on the size of the lawn
Independent variables- Gardeners will always buy fertiliser.
Step-by-step explanation:
Answer:
500 ≤ 260 + 6x
240 ≤ 6x
40 ≤ x
x is the number of minutes you can use per day.