I am not sure about the complete question what you mean but i think it is 1) can not be used to correct most run-on sentences.
Answer:
45 minutes
Explanation:
take it one step at a time. After 30 minutes it would of been 5:00. add 15 more minutes to that it would be 5:15. 30 + 15 is 45 minutes.
Crisis is greek, syllabus is latin, thesis is greek, fungus is latin, datum is latin, diagnosis is greek, species is latin, erratum is latin. Hope this helps.
I see why you asked for help
Absorbance percentage of the passage of lightthrough a liquid; degree to whichsomething is absorbed
absorbency