Question 1: a quadrilateral (not regular) is inscribed in a circle. one of the angles is 82°, find the angle that is opposite the given angle. show all calculations.

question 2: find the angle between the hands of a clock at 6: 15.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.