What is the greatest common factor of 63 and 63?

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.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?