Answer:
3, 6, 9
Step-by-step explanation:
When changing a fraction to a decimal, you divide the numerator by the denominator. For EX.
1/3= 1 divided by 3
1 divided by 3 is 0.3333333333333
1/6
1 divided by 6 is 1.6666666666666
1/9
1 divided by 9 is 0.1111111111111111111111
Given that there are <span>6 boys and 6 girls in a birthday party, the number of different arrangements of</span><span> first, second, and third is given by:

</span>
The cosine of A is (adjacent side)/(hypotenuse) = 55/73. Do the division, then find the angle whose cosine is that number. The whole thing takes maybe 6 or 7 seconds with your calculator. It's choice-B.
Answer:
the answer is 8 by one of this question.