Multiply. use the greatest common factor to write each answer in
simplest form.
1. ⅔ - 6/7
2. ¾ - ⅔
3. 8/21 - 7/10
4. ¾ - ⅔
5. 24 - ⅚
6. 32 - ⅜
7. 21 - 3/7

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

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)

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have