which sentence is correctly punctuated with a colon? i have finally mastered new tricks for the half-pipe the poptart, the barrel roll: and the miller flip. i have finally mastered new tricks: for the half-pipe the poptart, the barrel roll, and the miller flip. i have: finally mastered new tricks for the half-pipe the poptart, the barrel roll, and the miller flip. i have finally mastered new tricks for the half-pipe: the poptart, the barrel roll, and the miller flip.