Can i get the answer for this . asap

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

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points

50 points~ ! i have to turn this in tomarrow