Which relationships have the same constant of proportionality between y and x as the following graph? Choose 3 answers:

Which value of c would make he following expression completely factored? 8x+cy

Consider the graph of the exponential function y=3(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.