If you could help I would really appreciate it, but if not that’s fine. Thank you.

Write a corresponding real world problem to represent 2x - 125=400

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

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.