Which expressions are polynomials? Select each correct answer. x2−x√+2 2 + s 4x³ + y​

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse