The walls are rectangle with a height of 6 feet. a pint of paint covers about 50 square feet. how much paint do they need to paint the inside walls? explain.

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0