Which feature distinguish mathematics from the other sciences? justify your answer.

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

What is the definition of exponential decay?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?