For what interval of the domain is f(0)> 0?

Someone me! if you’re smart you can solve this!

Which shows the graph of the solution set of 3y – 2x > –18?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters