Onix is not on Pokepark.
Infernape: Found in the lava zone (have to fight chimchar until he says, "i bet your as good as my brother", about 3 times).
No yanmega is not in pokepark but flygon is
Rikou isn't in pokepark
An infinite number of of multiples of 42 can be divided by 42.
42 is not a cube number.
it's not in pokepark 1.
Sorry but there is not a zapdos in pokepark
42 is not a square number but 42^1=42
yes any number that that can be made into a fraction is a rational number. 42= 42/1 so it is a rational number