Plz help I will give brainliest

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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”?

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8