1/2 ÷10=1/20 because you multiply the bottoms
3÷1/6= 18 because it is the same as 3×6
12 - 5.25 = 6.75
The other piece is 6.75 inches long
Answer:

Step-by-step explanation:
cos O = adjacent / hypotenuse
cos O = 12/13
I hope I helped you^_^
Answer:
choice b
Step-by-step explanation:
3.49
____ = 0.1396 ≈ 0.14 or 14 cents per ounce
25
4.79
____ = 0.10644444 ≈ 0.11 or 11 cents per ounce
45