The solution to this question to find x

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)

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys