Answer true or false. 15. The hands of a clock are perpendicular at 3:00 and 9:00. 16. If two lines do not intersect, then they are parallel. 17. The perpendicular postulate states that for a point on a line, there is exact- ly one line through the point perpendicular to the line. 18. The parallel postulate states that for a point not on a line, there is exactly one line through the point parallel to the line.

Q: now with the understanding that the answer to part (a) is 0.8. what's the correct answer to part…

A: now with the understanding that the answer to part (a) is 0.8. what's the correct answer to part…

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A: Explanation of the answer is as follows

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A: Their are many questions so we are giving solution for the first question.