below are graphs of functions over the interval (-4,4). find the following for each function: The domain, the zeros ( the value of x where the value of the function is 0) and the intervals where the interval is positive and intervals where it is negative

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.

Write as a product of two polynomials. 2(3–b)+5(b–3)^2

Write each rational number in the form a/b, where a and b are integers. 1. 5 1/6 2. -12