Would you solve this by multiplying the second equation by 2 or -2 and why?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

X+ y = 5 ; x - y =3 solve using linear combination

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.