Ms. Betty was supposed to make 4 bags and 5 aprons with 8.22 yards of cloth. Instead, she made 5 bags and aprons and only needed 7.44 yards of cloth. How much cloth was needed altogether to make 2 bags?

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.

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?

Proving the congruent supplements theorem