How do I prove that KM = KH, given that GJ is the perpendicular bisector of HK?

Which rational number could be graphed between -4 and -5

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.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?