5.What is the first quartile of the set of data? 11 21 30 29 7 26 18 12 3 10 12 15 ? 23.5 10.5 13.5 12

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

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.