Which is equivalent to (9y2 - 4x)(9y2 + 4x), and what type of special product is it?
817 - 16x, a perfect square trinomial
817-16x2, the difference of squares
81y* - 72 xy?-16x?, a perfect square trinomial
8174 - 72xy?-16x?, the difference of squares

Which of the following led to a continuation of the treatment in the excerpt above? a)the brutality of the trans-atlantic african slave trade. b)spanish repression after violent native uprisings in new spain during the 16th century. c)european competition to quickly establish colonial holdings in the new world. d)the reliance of the spanish on native americans to provide labor under the encomienda system.

The bloodless, or glorious, revolution in 1688 a. encouraged nobles in their quest to recreate a feudal society. b. ended the commonwealth and restored james ii to the throne. c. placed mary and william, both protestants, on the throne. d. restored property rights to those who had lost them as a consequence of the english civil war.

The development of england as a nation-state occurred because of increasing?