Does a heptogon have parallel lines . me

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)

How do you determine whether a relationship represented as as graph is linear or nonlinear

The acceleration of an object due to gravity is 32 feet per second squared.what is acceleration due to gravity in inches per second squared?