Find the circumcenter of the triangle ABC.
A(7,5), B(4,-4), C(7,-4).
The circumcenter is

225/100 of last years cost. write each fraction as a decimal and as a percent

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”?

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?