Can y’all help me on question 18?!

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

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.