Use an equally measured pixelated sheet to draw a triangular publication with a height of 6 units, and with two triangles in the corner with legs of 6 units and 4 units.

Plz which expression is equivalent to the expression below?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

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)