Can you answer both and tell me the answer please

How do you find the area of a triangle

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

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.