Select the correct answer.
What three costs contribute to the total cost of a mortgage?
OOO
O A. down payment, mortgage tax, and monthly interest
B. closing cost, down payment, and monthly loan payment
C. closing cost, monthly interest, and starting deposit
OD. starting deposit, monthly interest, and mortgage tax

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