99 points- multi question-only answer if your positive- 1.which statements include two quantities in the real world that are additive inverses? select each correct answer. a plane ascends 500 yards and descends 100 yards. twenty gallons of water leak from a pool and 20 gallons are put back into the pool. a driver drives 40 miles north and 30 miles south. a person deposits $100 in to her bank account and then withdraws $100 from the same account. 2.which expression is equivalent to 3.7−6.4 ? 6.4 + 3.7 −6.4+3.7 6.4−3.7 −6.4−3.7 3.what property is the following shown−4.8+(3.2+(−1.6))=(3.2+(−1.6)) +(−4.8) 4.add. 310+(−720) 5.starting from the same place, anaad walks due west and cala walks due east. on the number line, 0 represents their starting point; negative values represent the distance in feet, traveled west; and positive values represent the distance in feet, traveled east. the figure shows a number line. there are 10 tick marks to the left of 0 and 10 tick marks to the right of 0. the tenth tick mark to the left of 0 is labeled negative 700, and the tenth tick mark to the right of 0 is labeled 700. the seventh tick mark to the left of 0 is labeled anaad, and the eighth tick mark to the right of 0 is labeled cala. how many feet apart are anaad and cala on the number line?