SOLVE FOR 20 pls hurry

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

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points

Which graph of a hyperbola represents the equation 16x^2-y^2=16