PLS HELP ASAP FOR 2D AND 3A
don't answer with links, PLS show picture of working or type but BETTER PICTURES PLEASE​

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?