Brand A has a pack of 28 pencils for $4.19. Brand B has a pack of 72 pencils for $9.12.
Find the unit price for each brand

When only separate discreet points are graphed it is called?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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?