What is an equation of the line that passes through points (7,6) and (-2,-3)

Which of the following is correct interpretation of the expression -4+13

What is the solution set of the quadratic inequality x^2-5< or equal to 0

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?