Problem: Word: connect

Sentence 1: The local train does not connect with the Amtrak train.

Sentence 2: The planes don't connect and you will have to wait for four hours.

Same meaning?
A: the same meaning

Problem: Word: back

Sentence 1: Which horse are you backing in this race?

Sentence 2: Back this enterprise.

Same meaning?
A: the same meaning

Problem: Word: number

Sentence 1: She refused to give them her Social Security number.

Sentence 2: She preferred the black nylon number.

Same meaning?
A: different meanings

Problem: Word: attendance

Sentence 1: John's attendance for the conventions was not good.

Sentence 2: Attendance was up by 50 per cent.

Same meaning?
A:
different meanings