Solve the following quadratic equation. (x - 16)2 = 256

A.
x = 32 and x = 0
B.
x = -32 and x = 0
C.
x = 30 and x = 8
D.
x = -30 and x = -8

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?