tanya makes $16 per hour babysitting. she wants to earn at least $144 to purchase a new video game. which inequality models how many hours ,h , tanya must work to have enough money to purchase the video game

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.

How do i do this? i don’t understand

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?