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?

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Match each inequality to the number line that represents its solution

Asap! i'm not good math and i'm lost.