-3×1/4-6 please help im losing my mind

How many degrees does the hour hand move from 3: 00 to 5: 30?

X-intercept=-5 y-intercept=2 the equation of the line is

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.