What is the solution to the equation g(x)=3

Describe what moves you could use to create the transformation of the original image shown at right

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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.