Which of the following descriptions matches the motion shown in the graph. A person leaves home and slows down for a pedestrian.

A person leaves home, picks up speed, and then stops at a red light.

A person is parked at parking lot and then speeds off.

A person walks down the block at a steady speed.

If I already asked this but please help ;v;

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry

Who examines and coordinates the cleanup of polluted sites?

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ