Which equation represents:
"an unknown integer, multiplied by two times itself, plus two times a different unknown integer, equals negative 20."
a) 2x^2 + 2xy + 20 = 0
b) 2x^2 + 2xy − 20 = 0
c) 2x^2 − 2xy + 20 = 0
d) 2x^2 − 2xy − 20 = 0

The surface area of the triangular prism is .

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.

Find the ratios of the corresponding sides