What does convection mean? plz give me real awnser this was the last of my points

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Is this a polynomial function? i need to know asap

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.