What is less than 2 1/4

Which statement best explains why ben uses the width hi to create the arc at j from point k

Write the factored form of this trinomial 9x^2+18x-7

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 between 80 and 120.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 between 80 and 120.