What type of number is -2343 a)whole number b)integer c)rational d)irrational

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

Can someone me do math because i am having a breakdown rn because i don’t get it

I'm confused on this could anyone me and show me what i need to do to solve it.