For the set of ordered pairs shown, identify the domain and range. Does the relation represent a function? {(1, 8), (5, 3), (7, 6), (2, 2), (8, 4), (3, 9), (5, 7)}

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”?

Find the amplitude of a sinusoidal function that models this temperature variation

Awoman who is 64 inches with a shoulder width of 16 inches. write an equation relating the height h to the width w. find the height of a woman who has ashoulder width of 18.5 inches