I’m stuck can y’all help me outtt

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)