If v1 = (-2,5) and v2 = (4,-3), then the angle between the two vectors is . Round your answer to two decimal places.

Based on your observations of porto alegre and houston, what would you conclude about the longest and shortest days for the two cities on opposite sides of the equator

During the industrial revolution in europe, were recruited to locate criminals. sheriffs police bobbies thief catchers

Which of the following statements is true of how pollutants can enter the environment from a sanitary landfill?