Which city became known as the "Gateway to the West' because of its role during the westward expansion of the United States

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

Jennifer is 20 miles north of her house, and she is driving north on the highway at a rate of 55 miles per hour whats the slpoe

What is the slopeof the live that passes through the points and (-2,-5) and (3,-1)