Karen uses one large rectangle and four small congruent squares to make the "tower" shown. The perimeter of the rectangle is 72 centimeters and the perimeter of the tower is 96 centimeters. What is the area of one of the small squares?

Geometry paper. i don't know how to do the rest. questions 5. 8. 9. and 10.

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?