3x+6=21 what is the value of x

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

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.