Triangle A is reflected in the line x = 1 to give triangle B. Triangle B is reflected in the line y = -2 to give triangle C.
Describe the single transformation
that maps triangle A onto triangle C.

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”?