I WILL GIVE 25 points if correct

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)

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

The trigonometric ratios sine and secant are reciprocals of each other