1250 at 5% simple interest for 2 years

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

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”?