2.11.2 project: performance task: the parallax problem help needed pls!!

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

If you could answer these your a life saver

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.