Find the length of the third side to the nearest tenth

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

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.