The surface areas of two similar hexagonal prisms are 882cm2 and 1058cmm2 What is the scale factor of the smaller prism to the larger prism? a 822/1058 B. 21/23 C. 23/21 d21/11

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”?