Y=-x+2 what pairs satisfy this function. PLZZ HELP

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.

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Y=21.95x+10 y=22.45x solve by substitution