What is the structure on the Lateral Chest image labelled as C?

Is this PA Chest postioned properly?

Identify the region on the diagram labelled as number 1.

The scatterplot below shows the relationship between poverty rate, y, in the 51 states in the US (including DC) and the high school graduation rate, x. The linear regression equation for predicting poverty is as follows:  High school graduation rate for North Carolina is 81.4% and the poverty rate is 13.1%. What is the residual for this observation? Choose the closest answer. 

Consider the price of all items sold in the vending machine, then complete the following on a piece of paper and upload a photo. $2.25 $3.25 $1.50 $1.75 $2.75 $1.00 $1.25 $2.00 $1.50 $2.00 What is the mean item price?  Would this be a statistic or a parameter (please explain)? What is the range of the prices? What is(are) the mode(s)? What does it represent? Give the 5 number summary and sketch the boxplot. What is the price that indicates only 25% of the items are more expensive? If an item was added to the vending machine and cost $5, would this be an outlier? Explain your answer mathematically. Find the standard deviation and variance for this distribution. BONUS: find the mean absolute deviation by hand When finished, select True.

Which of the following best describes a Plaque Index score of 1?

What does pthread_join() do for the process invoking it?

A process either runs or it does not run.

A blocked process keeps all the memory it was using at the time it became blocked.

Book 9 of ‘Paradise Lost’ focuses on Eve’s temptation and subsequent fall from grace.