Which geometric series represents .4444...as a fraction?

If you are just building your payment history, how many points from a perfect score will you possibly miss?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

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.