The table below models the cost, y, of using a high-efficiency washing machine and a standard washing machine over x number of years. Which equation represents the cost of the high-efficiency washing machine over a given number of years?

Which equation represents the cost of the standard washing machine over a given number of years?

After how many years of use would the washing machines cost the same amount?

Which washing machine would be the more practical purchase if kept for 9 years?

Which equation represents the cost of the high-efficiency washing machine over a given number of years?  

Which equation represents the cost of the standard washing machine over a given number of years?  

After how many years of use would the washing machines cost the same amount?  

Which washing machine would be the more practical purchase if kept for 9 years?  

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.

you would need to also lose 1 point for each of the other outcomes for it to be fair.

step-by-step explanation: