What value must replace the "? " in order for this polynomial to be expressed as a difference of squares?
x^2+? x-36

On a architect's drawing of a house, 1 inche representa 1.5

Which is the completely factored from of xy^3-x^3y

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?