Rachael is stuffing envelopes. she has eight hours to complete the task, and there are 1500 envelopes. the first hour rachael stuffs 135 envelopes. the second hour she stuffs 141 envelopes. how many envelopes will rachael need to stuff in order to finish the job❓

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?

What is the approximate difference in tenths between √12 and √15?

What is the midpoint of np if n (1,9) and p (-5-1)