In 8 minutes josh was able to type 496 words. what's his typing speed in words per minute

Tell whatever the ordered pair is a solution of the given system.

15 points ! ~ see if you know the answer to both you!

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?