Ais the midpoint of xy.
x to a is 3x
a to y is 5x-6

a) find xa
b)find ay and xy

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What is the base of 1/9 to the power of 2

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.