Rules: Ding (a + 1, b) = Ding (a, b) + b + 1
Ding (a,0) = a
Ding (a, b) = Ding (b, a)

Find Ding (12,5)

What is the factored form of the following expressions? d^2 – 13d + 36

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]