Calculate the average speed between 120 s and 160 s

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Write the fraction or mixed number and the decimal shown by the model

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.