Which property is shown?

(-9 + 17) + 23 = - 9 + (17 + 23)

A.

associative property

B.

commutative property

C.

distributive property

D.

opposite of a sum property

Solve for y 2x-3y=-9

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How to understand linear functions

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What is true about the completly simplified difference of the polynomials 6x^6-x^3y^4-5xy^5 and 4x^5y+2x^3y^4+5xy^5 •the difference has 3 terms and a degree of 6 •the difference has 4 terms and a degree of 6 •the difference has 3 terms and a degree

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If lines are parallel, their intersection forms a right angle. TRUE FALSE