Please help me answer this question

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Which number line represents the solution set for the inequality - x 24?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?