Trong đợt làm kế hoạch nhỏ ,lớp 4A và lớp 4B góp được 471 kg giấy , lớp 4C và lớp 4D góp được 559 kg giấy, lớp 4A và lớp 4C góp được 520kg giấy. Hỏi lớp đóng góp nhiều nhất là bao nhiêu kg giấy.

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Which of the following describes how to translate the graph y = |x| to obtain the graph of y = |x+1|+1? shift 1 unit left and 1 unit down shift 1 unit left and 1 unit up shift 1 unit night and 1 unit down shift 1 unit nght and 1 unit up