I think the correct answer is D 1,-3
Take first number as x
<span />second number is 3x
<span />third number = 3x+5
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twice the third is 5 less than second, means second minus 2 times third is equal to five or 3x-2(3x+5)=5..........Answer is D
It looks like the dot would be placed on about 12.4 or 12.45. I hope that this helped. And that means that the square root would be located at 153.76 or 155.0025.
Answer:
1. right angles.
2. equal
3. equal and parallel
4. supplementary
5. equal and parallel
6. equal and perpendicular
7. equal and supplementary