Geometry: please only comment if you know the answer I need help with this please

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

Consider the graph of the exponential function y=3(2)×

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents