Which ordered pair in the form (x, y) is a solution of this equation? 3x-4y=21
A) (-2,-3)
B) (0,7)
C) (7,0)
D) (-3, -2)

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.