What is the radius and diameter of the following
circle?
16 cm
Radius =
cm
Diameter=
cm

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”?

Solve for x and select the correct answer

Which diagram shows lines that must be parallel lines cut by transversal?