1. True or False? This sentence uses numbers and abbreviations correctly in its sentence: Mr. Pidora has been supt. Of schools for the past nine years.

2. True or False? This sentence uses numbers correctly in its sentence: The hospital has treated eighteen patients with AIDS.

3. True or False? This sentence uses numbers and abbreviations correctly in its sentence: I got up at 2:30 AM and made myself a sandwich.

If someone could please help me it would be appreciated. I did the rest of the problems, these are the ones that confuse me. Thanks