For eliminating you need to have a variable that cancels the other out and in this case 2x and -2x do. Then you want to take -3y+9y and add the numbers after the equal sign. -9+3
Arc length = Ф/360 * 2πr
= 30/360 * 2*3.14*10
= 1/12 * 62.8
= 5.23
In short, Your Answer would be 5.23 cm
Hope this helps!
Answer:
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Step-by-step explanation:

Kiki and Rose's points
They are on the same vertical line so they fail
Answer:
5 1/3
Step-by-step explanation:
2÷3/8=
2*8/3=5 1/3