What is the hcf of 27, 36, 54​

225/100 of last years cost. write each fraction as a decimal and as a percent

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.