My Diesel Ryder seeds wont come up!

Okay this is what i did, i popped 6 seeds into 6 different jiffy pellet. One of them sprouted and came up after 3 days but the other 5 did not. Now it has been 7 days and other seeds are still down there somewhere. So I dug them up to check on them. They cracked and i can see little white looking roots sticking out of the seeds. Then i buried them back and water them. How long should I wait? What should i do? Is this normal? This sucks ass, i spent $80 bucks!
 
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