My first crossword

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Across
  1. 2. "...Knows best" (Tangled)
  2. 4. Regrets podcast comment bashing a songstress
  3. 6. nananananana, one might
  4. 7. ...Are alright
  5. 9. Stubborn
Down
  1. 1. Scorsese admires
  2. 3. Till it's backwards
  3. 5. Base of American number system
  4. 7. American place value system
  5. 8. Melvin's preferred classification