Which statement best explains the value of 18 − (−5)?
the additive inverse of −5 is +5, so 18 − (−5) = 23.
the additive inverse of −5 is −5, so 18 − (−5) = 23.
the additive inverse of −5 is −5, so 18 − (−5) = 13.
the additive inverse of −5 is +5, so 18 − (−5) = 13.

Anew movie is released each year for 14 years to go along with a popular book series. each movie is 2 minutes longer than the last to go along with a plot twist. the first movie is 70 minutes long. use an arithmetic series formula to determine the total length of all 14 movies