A principal orders t-shirts and wants to check some of them to make sure they were printed properly, she randomly selects 7 of the 10 boxes and checks 20 in one box and 40 in others. What type of sampling is this?

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!