Answer:
3179cm^3
Step-by-step explanation:
430*20 is how much he has saved
8600 he has more than enough for the used car
x = -9
3^16 = (1/9)^x
9^18 = 9^-x
On comparing co-efficients :
-x = 9
None
If you graph the points on a plot, they would be parallel
