What is 1 and 3\11 as an improper fraction?

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)

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

True or false? a circle could be circumscribed about the quadrilateral below.