What is the solution to the system? use substitution y=x+5 -2x+12=y

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

How is working backward similar to solving an equation?

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.