Acellus find the equation for the following parabola focus (3,4) and directix y=2

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

What 8/12+8/11 in another way than and improper fraction