Why are the flat surfaces on a rectangular prism called faces

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?