N^2-4n-32. find the factored form for this trinomial

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

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.