If m = 5x² + 7x - 4 and n = -3x² - 4x + 5, then m - n

Given the conditional statement, match the following. conditional statement: if two lines intersect, then their intersection is one point.

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

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”?