Does the graph represent a function?

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.