An airport has 40 flights traveling from the United States to Europe each day.

If 15% of those flights travel to France, how many airplanes will
go to France each 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)

If a || b and e || f , what if the value of y ?

In the diagram, gef and hef are congruent. what is the value of x