You mix the letters m, a, t, h, e, m, a, t, i, c, a, and throughly l . without looking , you draw one letter . find the probability p(a) write the probabilty as a fracton in simplest form , a decimal , and a percent show all work

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

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.