It took an elevator 9 seconds to descend to the ground level .what is the domain of this graph

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

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.

F(x)=5/6x+3 which of the following is true