The tires on pablo's bicycle have a radius of 10 inches. use the appropriate formula model to find the circumference. what is the circumference of a tire? round your answer to the nearest tenth and include units with your answer.

On a piece of paper graph f(x)=5•(0.4)^x

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

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.