Help pls I really need this

Iwill give you ! what is the measure of ∠v ?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

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.