Anyone taking AP Bio at the moment? If you are, can you recommend some websites that can help me understand and study because my teacher isn't great at explaining...

The 529 plan is the type of plan. a. financial fid. b. grant. c. tuition savings. d. scholarship

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

The sociological perspective focuses on what? a. general social patterns b. individual behaviors c. biological explanations d. mental processes