What does "base edge length" mean?
"a regular pentagonal prism has a height of 14 in. and a base edge length of 10 in. identify its lateral area and surface area."
i don't need finding out the answer, i just need clarification on what "base edge length of 10 in." means.

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?