Answer:
82 ''
Step-by-step explanation:
6/123=4/x
6x=4*123
6x=492
x=82
3/4 * 2/5
Areas is L * W
(1/5 + 1/5) * (1/4 + 1/4 + 1/4) = 2/5 * 3/4
looks like A, first answer, is correct when using n such that it names what value of the sequence to use like a1 = 4 and so on.
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