Scientist on a submarine are investigating earths magnetic field

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?