The expression 3c2 represents the number of ways of: a. choosing 2 items at a time from a set of 3. c. arranging, in order, 2 items from a set of 3. b. choosing 3 items at a time from a set of 2. d. arranging, in order, 3 items from a set of 2.

7. 153.86 ft

8. 12.56 ft

9. 78.5 m

10. 379.94 in

11. 132.665 m

12. 12.56 yd

13. 226.865 ft

14. 113.04 ft

15. 63.585 ft

16. 254.34 m

17. 50.24 cm

step-by-step explanation:

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srry idk

step-by-step explanation:

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.

just sum

10 + 10 = 20