12(x-6)=2(x-9) solve the following equation

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe