After 1 day, 300 copies of a book are sold. Each of the following days, 20 more copies are sold.
Use an equation in point-slope form to model the sales of the
book and determine how many copies will be sold after 15
days.
copies

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?