Anita and Susanna are in a 5-mile bike race. The graph shows each racer´s distance from the start as a function of time. Which race description correctly interprets the graph?

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”?

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy. how much will she pay after the discount

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0