The variable was whether people approve or disapprove of the president. They were trying to poll just the people that live in the main part of the USA. There is slight bias that comes from excluding Alaska and Hawaii.
Answer:
432 square inches
Step-by-step explanation:
thats the area, perimiter is 84 inches
Answer:
8
Step-by-step explanation: 128 / 16 = 8. So 128 dollars by 16 dollars is 8 dollars