True or false. The person hiked 1.2 miles per hour.

Write the sentence as an equation. b increased by 281 is d

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)

Add the fractions and simplify 1/2+ 1/3