PLZ HELP I AM FAILING How many variable terms are in the expression 3x3y + 5x2 − 4y + z + 9?

Geometry answer picture question pls . reason and statements

Y=4x^2+x-1 solve using quadratic formula

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.