How many distinct real zeros does the polynomial p(x) = x4 – 4x3 + 4x2 have?

Which of the following sections on the sat presents the questions in order of difficulty, from easiest to hardest, within each question type? select all that apply. math test writing and language test reading test

All of the following items are important to know when diagnosing an engine driveability problem except for thea. type of gasoline usedb. brand of engine oil usedc. temperature of the engine when the problem occursd. list of previous repairs

The point on the celestial sphere directly above an observer's head is called the