For question 1) you need to first turn the mixed fraction into an improper fraction: 2 10/12= 2+10=12, 12x12 (you times it by 12 because 12 is the denominator) =144/12 for the second one which you need to add on to that, 3 3/12 you would do 3+3= 6 (you add it by 3 because 3 is your numerator) then you times 6 by 12 (6x12) which is 72 which means your answer is 72/12. now add them both up, 144/12 + 72/12 = 216/12. if they ask you to convert your answer fully, it would be 18 because 216 divided by 12 which is 18. hope this helps:)
Answer:
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The coordinates of the center of the circle are found in (h, k). The h coordinate is stuck with the x, and the k coordinate is stuck with the y. They are in the form (x-h) and (y-k). So if our first center coordinate is found in (x-4), then the h value is 4. Our other center coordinate is found in (y+12) which started like this: (y-(-12)). So the k value is -12. The center then is (4, -12).
If I understand your question, (6/24) + (2/24) = ?.
You ignore the bottom number (24) and add the top numbers together. Then ? = 8/24. To simplify, you divide 24 by 8 = 3, and your simplified fraction will be 1/3.
You know that the sum of all angle is 180 and in right angle triangle one of the the angle is 90 so you have 75 and 90 which the sum of them is 165 so the third angle is 15