(1 point) prove the following statement: if a e z and n e n, then gcd(a, a + n)|n. proof: let gcd(a, a n) = d. this implies that and therefore for some y e z. for some x e z and e z. therefore since x, y e z, therefore thus n= о. е. d.

sorry not sure

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answer:   y=2x-3

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answer: its the third option.

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i just took the test.

sas (side angle side)

aa(angle angle)

sss(side side side)

sas you have to find two sides with an angle in between

aa you find two angles because it will always add up to 180

sss find all sides

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