Apair of linear equations is shown below:
y = -x + 1
y=2x + 4
which of the following statements best explains the steps to solve the pair of equations graphically

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.