Answer: (0,3) and (-9,0)
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-2(0) + 6y = 18
6y = 18
y = 3 so…(0,3)
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-2x + 6(0) = 18
-2x = 18
x = -9 so.. (-9,0)
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To determine to measure of the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.
4.

5.

doesn't belong with the other three because it is irrational number
The other three can be expressed as a ratio between two <span>integers.

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$25,000 is the answer you would take $620,000 x 0.04 (4%)= 24,800 which rounds to 25,000