A middle school has 2 girls for every 1 boy in seventh grade. The seventh-grade class has 28 fewer students than the eighth-grade class, which has 298 students. How many
girls are in seventh grade?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

The equation of line wx is y=2x-5. write an equation of a line perpendicular to line wx in slopeintercept form the contains points (-1,-2)