What construction is shown in the diagram?
a. the bisector of angle acd.
b. the midpoint of stack line df.
c. the perpendicular bisector of line ab.
d. a perpendicular line to line ab from point d.
a
b
c
d

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What two consecutive odd integers have a sum of -28

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable