Ineed to find the equation for g(x)

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

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

Which graph depicts the path of a projectile