The sum of two numbers is 72. their difference is 24.

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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.

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°