The average distance from Pluto to the Sun is about 6 3 10 9kilometers. The average distance from Mars to the Sun is 2 3 10 8kilometers. The average distance from Pluto to the Sun is about how many times as great as the average distance from Mars to the Sun?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.

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”?