PLZ help me answer this question asap thank you

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

The liabilities of cullumber are $99,000. owner’s capital is $143,000; drawings are $96,000; revenues, $467,000; and expenses, $301,000. what is the amount of cullumber company’s total assists?

Let event a = you roll an even number on the first cube. let event b = you roll a 6 on the second cube. are the events independent or dependent? why?