2.
what do i put im confused and dont know how to do this

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

Line wx is parallel to line yz. if m

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?