Is -4 a solution of the equation 16\c =4

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

In a column proof the right column states your reasons

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