31 Two identical umber cubes are shown in the picture. The edge length of these number cubes was the combined volume of the two number cubes in cubic centimeters CS​

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).