Please help me with this

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

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

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents