Equation 1: x - 3y = 9 equation 2: y = -3x + 3 what is the best description for the lines? a) parallel b)vertical c) perpendicular d) the same line

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10

The surface area of the triangular prism is .