The Northern Station Signal flashes every 8 seconds. The Southern Station Signal flashes every 12 seconds. If they both flash at exactly the same time at the start of the day, after how many seconds will they next flash at the same time?

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)