Karen gets 3 books from her book club for $12. She creates a graph to show the relationship between the number of books and the total cost of the books. Points on the graph include (0,0), (1, 4), (2,8), and (3, 12). I NEED ASAP

Is the product of seventeen negative numbers, positive or negative ?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?