Answer:
here u go :)
Step-by-step explanation:
x=9, y=26. (9, 26).
x=9
y=3x-1
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y=3(9)-1=27-1=26
2(xy) = (2x)y is an associative property of multiplication. This answer has been confirmed as correct and helpful.
A.
11. 15x + 6
11. b x + 8 - 16
13. 7x + 31