Runner a completes 12 laps around a track in 22 minutes. runner b completes 8 laps in 15 minutes. which runner had a greater average speed

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

At which value in the domain does f(x) =0?

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?