When flying from florida to the philippines island why does the shortest route pass through alaska?

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

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?