« 13. Given that R= {a, b,c}, S = {b, c, d} and T = {c, d, e}, list the elements of
R U S U T. the u is a union set pls help

Franco wants to double the volume of the cone. what should he do?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.