What's good, here is the question attached. Plz help I would be so grateful. I do not need an explanation jus the answer. Stay perfect.

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

How do you write y-10=2 (x-8) in standard form

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.