The area of a rectangular rug is given by the trinomial r^2-4r-77. what are the possible dimensions of the rug? use factoring.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

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.

The total number of dental clinics total for the last 12 months was recorded