Which angles are adjacent? Select all that apply

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Measures of the angle of r, 31 s (x+4) t (3x+9)

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.