8th grade math test the big DAY

I am ready for the test because I know i could pass it I know I could. THIS YEAR I am trying to do my hardest. This year I am not playing, I did not miss one day of school and I did ALL the work I had to do. This year I am not sure that I will pass the test but if i push my self I will achieved. To tell the truth I did not do nothing but I will start to practice for the Math test. I will go threw my notes and a text book I have at home and PRACTICE threw the weekend and the vacation that we will have at February. I am not playing I will try my hardest to PASS that test. Two tell the truth I need help the question that with the percent thing for example Roberto go to a store to buy a pair pants that cost $40 and it is on sale 25% off (questions like that).