-3/16,7/4, -3/8 in order least to greatest

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

What is the shape of the height and weight distribution

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.