What is the value of x in the equation 3(2x + 4) = -6?
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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.

Need showing work for this problem 56.25 ×25.80

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2