Which transformations were used to create congruent trapezoid W'X'Y'Z' from trapezoid WZYX?

Amber had 1/6 of a pie left after the bake sale. rihanna had 3/8 of a pie left. what fraction of a pie did they have altogether?

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.