Question

Which is the dependent variable?

As days in a month go on, your power bill increases.

Average price of gas increases throughout the year.

Electricity used vs. temperature outside.

Money made; cups of lemonade sold.

Answer 1

Electricity used vs. temp outside

Answer 2

Electricity used vs. temperature outside. I'm pretty sure this is correct.

Explanation:

This is because these two things are being tested.