Astudent has a test grade of 85%. if the student does extra problems and his grade raises by 15% of the test, what would be the new average score? is he receiving a perfect score now?

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

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”?

Acarton of juice contains 64 ounces miss wilson bought six cartons of juice how many ounces of juice did she buy