Answer:
443556
Step-by-step explanation:
666 * 666 = 443556
666
x666
-------
666 x 666 = 443,556
Step-by-step
Lcm = 36
9 times 4 = 36
12 times 3 = 36
(;
5.
9y - 6 + 51 = 90
9y + 45 = 90
9y = 45
y = 5.
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