A student walks at a rate of 1.5 meters per second for 4 seconds and then stops for 4 seconds. Then the student continues walking at the original rate.

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!

During the decline of the harappan civilization, which group came to power in the indus valley