The table below gives the annual sales (in millions) of a product. year 1998 1999 2000 2001 2002 2003 2004 2005 2006
sales 131 149 163 173 179 181 179 173 163

What was the average rate of change of annual sales

a) Between 2000 and 2001

(blank) millions of dollars/year

b) Between 2000 and 2003

(blank) millions of dollars/year

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?

How do you solve a question like this?

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126