Mathematics, 03.11.2020 14:00, jennychen2518pbmirn

y varies directly as the square of x and inversely as z. If y = 12 when x = 2 and z = 7, find y when x = 4 and z = 4.

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y varies directly as the square of x and inversely as z. If y = 12 when x = 2 and z = 7, find y when...