AP Biology Chi Squares: Can anyone help me with these questions. I really struggle with chi squares. An explanation/work would be amazing :)

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

Submitting the profile which includes sending a report to one college cost

Which of the following forests would the wilderness act of 1964 most effectively protect from harmful logging? i. a forest containing several service roads ii. a forest through which a highway has been constructed iii. a forest that has never been affected by human development a. i only b. ii only c. iii only d. i and ii only e. i and iii only