Respuesta :

Answer:

198

Step-by-step explanation:

2(9)(11)

Since you know that r = 9 and t = 11, you can substitute the variables to numbers. Then you just multiply to get 198. Hope this helps :)

Answer:

198

Step-by-step explanation:

Since r=9, replace r with 9 then since t=11 replace t with 11. And multiply all of them together.