Literal Equations: 5(x + y) = 2x +7y, Solve for x

Which fraction below is equivalent to 10/12?

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?