xavier ran four miles on his first day of training. the next day he ran eight ninths that distance. how far did he run the second day?

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)

With alll of except for the 2 that i did already

Fiona has to plot a histogram of the given data