A rectangle has a length of 8cm and a width of 6cm. The rectangle is to be enlarged by a scale factor of 5. Calculate the length of the enlargement Im doing a math test online because I have c19 <3 help a girl out plss

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?