A hyperbola centered at the origin has a vertex at (0, 36) and a focus at (0, 39). Which are the equations of the directrices? x = ± y = ± x = ± y = ±.

How often do neap tides occur? a. about once a month b. about twice a month c. about once a year d. about twice a year

Alex is the head photographer for the yearbook and the newspaper. she has a large staff of assistant photographers because they need to take pictures at all of the school events. she knows that some of her photographers have better cameras and can take action shots at sporting events, and that some of them are good at taking candid pictures in the hallways. she sets firm deadlines so she has enough time to look through all of the shots and choose the best ones. she gives her photographers constructive feedback to them improve their pictures. respectful enforcer warlord doormat peacemaker

Auser wants to add a thick, dark green border around a chart in powerpoint. the user can do this in chart tools by choosing what