Question 10 8 pts
(03.07 LC)
Choose the equation of the vertical line passing through the point (1, -1). (1 point)
O x = 1
O y = 1
O x = -1
O y = -1

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.