33. The perimeter of a room is 22m. lf
the length of the room is 6.5m,
what is its width?

4. find the geometric mean of 4 and 12. 24 8

What is the total area of the figure?

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”?