Giving brainliest to the first person to tell me what 1 plus 1 is

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

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?