ANSWER ASAP GIVING BRAINIEST FIVE STAR AND HEART! THIS IS 6TH GRADE TECHNOLOGY!

Please answer the following essay question:
What is the difference between a function and a formula? List an example of each.
Answer in paragraph form using 5-7 complete sentences.

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

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

Acircle has a circumference of 28.36 units what is the diameter of the circle