The expression x/x+4 is undefined when x=

1. what are the missing reasons in the proof 2. it's in the second picture and 3

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

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.