What shared interest is evident in these sculptures by martin puryear and ken price?

Many colleges review students’ scores on the _ or _ before deciding whether to offer them admission.

What are the colors that cannot be made by mixing other colors

Find all the zeros of a quadratic polynomial if 2x quad - 9x cube + 5x square + 3x - 1 if two of its zeroes are 2 + root 3 and 2 - root 3