Which statements include two quantities in the real world that are additive inverses? select each correct answer.  a person deposits $100 in to her bank account and then withdraws $100 from the same account.  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.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air