(number line) what is the distance between -6.1 & 8.4
p. s be happy, and whatever your going thru your gonna get through it ;)
( yes i'm giving advice while asking 4 help )

What is the distance between point a and b

The pair of coordinates that do not represent the point( 5,150’) is a. (5,-210) b. (5,210) c. (-5,330) d. (-5,-30)

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq less than 132. the probability that a randomly selected adult has an iq less than 132 is?