Combine like terms to solve equations

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

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.

Yo need asap pls ! markin da brainiest too !