Answer
$\frac{37}{84}$
Work Step by Step
Evaluate each expression when x = 12 and y = 8:
$\frac{y^{2}+x}{x^{2}+3y}$
$\frac{8^{2}+12}{12^{2}+3(8)}$
$\frac{64+12}{144+3(8)}$
$\frac{64+12}{144+24}$
$\frac{76}{168}$ = $\frac{37}{84}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.