Which situation models combining a number and its additive inverse to make 0? A. After spending $20.00, Marjorie has $20.00 left
in her wallet. B. The temperature at midnight was –8°F. The temperature decreased 8°F by morning. C. Tim has $25.00 in his bank account. He withdraws $25.00 from his bank account and gives it to his mother. D. An airplane is at an altitude of 50,000 feet. An hour later, the airplane is still at an altitude of 50,000 feet.
If 5.6 and 2.1 are the measurements then: you multiply 5.6 and 2.1 to get the area. Area=11.76squared You add 5.6+5.6+2.1+2.1 to get the perimeter. Perimeter=15.4
