Type as a unit rate. 6720 people in 14 square miles \( \square \) people/square mile

Sonido 1) ¿A cuántos decibeles equivale una intensidad de \( 10^{-6} \) ?

Solve for \( t \) \[ \begin{array}{l}-8 t=-9 t+6 \\ t=\end{array} \]

Olivia ran \( 161 / 3 \) miles and walked 9 miles. How much farther did Olivia run than walk? Write your answer as a fraction or as a whole or mixed number. Submit

The penguins at the zoo eat \( 23 / 8 \) pounds of fish each day. The zookeeper bought \( 43 / 4 \) pounds of fish. How many days will the fish last? Write your answer as a fraction or as a whole or mixed number.

Solve for \( d \) \[ -8 d+11 d=9 \] \( d= \)