Find the length of arc AB. Leave your answer in terms of pie

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees