The correct answers are We don't have enough time to catch the flight! and I packed too many shoes for a weekend trip.

Enough comes before nouns (e.g., enough time, enough money), but after adjectives (e.g., big enough).

Too many is used before countable nouns (e.g., too many shoes, too many people), while too much is used before uncountable nouns.

"There are too much people" is incorrect because people is countable, so it should be too many people. "Is the suitcase enough big" is incorrect because enough must come after the adjective big.