Suppose x and y are the number of students in two classrooms, where x < y.
Compare the expressions using <=, or >
(2x^2) [_?_] (x + y)^2

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?