Lines a, b, c and d are in the same plane. line a is parallel to line c. lines b and c are perpendicular to line d. based on this, tell how lines a and b are related. justify your answer

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.