Two Column Proof. Please Help. Pictures Included.

WILL GIVE BRANIEST

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

What is the correct decimal form of 12%

What is the slope of the line passing through the points (-5, 7) and (-3,5)?