Which three dimensional figure has a cross section in the shape of a trapezoid if it is sliced by a plane that is parallel to a side other than its base ?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

What is the difference between regular convex and concave polygons

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?