Which expressions are equivalent tell me all that apply.

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

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?

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept