Foci: (5, -7), (5, -13)
Endpoint of major axis : (5, -5), (5, -15)

Solve the system by the elimination method. x + y - 6 = 0 x - y - 8 = 0 when you eliminate y , what is the resulting equation? 2x = -14 2x = 14 -2x = 14

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?