Crossword puzzle clue "they're earned by completing college courses"

They're earned by completing college courses

Earned run average times innings pitched divided by earned runs given up

Courses around courses

What you can find in the grid after completing this puzzle, looking up, down, left, right and diagonally, word search-style

Words completing a phrase beginning with "slippery"

Row of black squares preceding or following six puzzle answers, thereby completing them

Torte holder ... or a hint to completing ten answers in this puzzle

What to do after completing this puzzle, with four straight lines