Which of the following statements illustrates the identity property of addition? m + 0 = m

x + y = y + x

g(h + j) = gh + gj

(p + q) + r = p + (q + r)

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.