Seudónimo Seudónimo 30-08-2016 Mathematics contestada helpp quickly worth 13 pts ...A plumber charges a flat rate of $100 and $50 per hour, h, for a job. Which expression represents the total cost for the job? A. 100(5+h) B. 100 + 50h C. 50(h+100) D. 50 + 100h