Ms. Patterson has 30 essays to grade. She already graded 4 fifths of the essays. How many essays has she already graded.

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

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

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.