The margin is the one required for APA formatted papers.

1-inch

Use 1-inch margins on every side of the page for an APA Style paper. However, if you are writing a dissertation or thesis, your advisor or institution may specify different margins (e.g., a 1.5-inch left margin to accommodate binding).

Explanation:

answer: a, c

divide any of the y values by x values and you will always get 3 is the most simple way i can put it for you.

answer(true);