What is the area of the figure: ( show work/formula)

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”?

Use the given information to determine the exact trigonometric value.

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.