Help me please quick !!

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

What are the solutions to the equation 4x2+3x=24-x

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.