1. 12 - 3x = -6x
12-3x+lex=-12
3x=-12
X=-4

(40 points) i need some . an answer definition is appreciated as well.

Write the following as a base and exponent

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)