Jeff can walk 3 laps in 8 minutes. At this pace, how many full laps can he walk in 20 minutes?

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Ineed me i stuck and i don’t want to get it wrong