How many packs of DVD's can you buy with $156 if one pack costs $12?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Graph the equation. select integers for x

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