Which equation could represent the relationship shown in the scatter plot?

y=−x+8

y=3x

y=52x−1

y=12x+7

Scatter plot with x axis labeled variable x and y axis labeled variable y. Points go from lower left to upper right.

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.