Mark had 2 large cookies. he ate 1/4 of one cookie. how much of his cookie does he have left? write the answer in the form of a mixed number.

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

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”?

Atriangle in the coordinates of (2,3), (-4,5) and (-2,4) it is translated 3 units down. what are it’s new coordinates