Can somebody help me out I will give you points if you get it right

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

Pls brainliest will be awarded if answer is correct

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers