How much is the
60% of 4/5

Which expression gives the area of the triangle shown below

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

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”?