What are some broad topics i need to definitely study for the ap chem test? (specific topics are good, too! )

An object accelarates from rest to a velocity of 2.4m/s over a distance of 16m what was its accelaration

Hurry: the angle measures associated with which set of ordered pairs share the same reference angle? (-square-root 3/2, 1/2) , (-1/2, -square-root 3/2) (1/2, -square-root 3/2) , (-square-root 3/2, 1/2) (-1/2, -square-root 3/2), (1/2, square-root 3/2) (square-root 3/2, 1/2) , (1/2, square-root 3/2)

Idon’t understand 8. plz ! we are finding the area of polygons. thx in advance!