1/3(n+1)=1/6(3n-5)
i really need on how to solve this i know the answer but im confused on how we got it

Which of these choices show a pair of equivalent expressions?

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation