f. Interpret statistics, the use of probabilities, and representations of data and use statistics and representations of data to argue a resolution of an issue – is the probability (of working with an HIV positive person in your workplace) high / low and why, based on your findings (statistical data)

the answer is  

d.

8 m

hope you got it down chief.

we know that

1) the inscribed angle measures half of the arc it comprises.

so

m∠dgf= > expression

2) the opposite angles in an inscribed quadrilateral are supplementary angles

so

m∠dgf=

m∠dgf=°

substitute in the expression to find the value of arc ef

therefore

the answer is

the measure of the arc ef is