A student studies how an object's mass and speed are related to its kinetic energy. The table shows the results for one part of the investigation.
? Kinetic energy (J)
1100
2 200
3 300
Which two terms are most likely to be used to label the data in the first
column?
O A. (kg)
O B. (m/s)
C. Speed
D. Mass

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?