Answer
$\frac{10}{3}$
Work Step by Step
We are asked to evaluate the given expression when $x=-5$, $y=4$, and $t=10$. We can plug in the given variables directly to evaluate.
$\frac{15-x}{y+2}=\frac{15-(-5)}{(4)+2}=\frac{15+5}{4+2}=\frac{20}{6}=\frac{20\div2}{6\div2}=\frac{10}{3}$