Consider the standard for linear programming problem: min : c >x s. t. : Ax = b x ≥ 0. Let x be any feasible point. Show that a direction d is feasible if and only if Ad = 0, and di ≥ 0 for all i such that xi = 0.

When the pc version of the spreadsheet program became available, the ibm pc quickly became the top-selling personal computer?

Match the personality traits with their description

Afashion designer wants to increase awareness about her brand. which network can she use and why she can use the blank to blank her products online. answers for the first blank: internet, extranet, or intranet answers for the second blank: market, design, and export