The most common railroad boxcars are 52 feet long, 9.5 feet wide, and 11 feet tall. What is the volume, in cubic feet, of common railroad boxcars? plz help

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000