7.in a diagram of a landscape plan, the scale is 1 cm = 10 ft. in the diagram, the trees are 3.3 centimeters apart. how far apart should the actual trees be planted?

a. 330 ft
b. 3.3 ft
c. 33 ft
d. 33 cm

8.in a scale drawing of the solar system, the scale is 1 mm = 500 km. for a planet with a diameter of 7,000 kilometers, what should be the diameter of the drawing of the planet?

a. 3,500,000 mm
b. 140 mm
c. 14 mm
d. 7,000 mm

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?