Replace valuables with values and evaluate using order of operation. F(9c-5)+32 c=30

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

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Which of the functions graphed below has a removable discontinuity?