Choose the linear inequality that describes the graph. The gray area represents the shaded region.

3x – 7y > –21

3x – 7y < –21

3x + 7y < –21

3x – 7y < 21

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.