Analyze Dependent and Independent Variables Practice Test

A runner jogs at a constant speed of 6 miles per hour. Let $t$ be time in hours and let $d$ be distance in miles. Which equation shows $d$ as a function of $t$?

A student earns $\$5$ for each hour they help at an event. Let $h$ be the number of hours worked and let $m$ be the money earned (in dollars). Which ordered pairs should be graphed to represent this relationship for $h=0,1,2,3$?