Jenny earns 52 dollars per week working part-time at a book store. She makes one dollar more for each book that she sells. The amount, A (in dollars), that Jenny earns in a week if she sells b books is given by the following function. A(b)=52 + b

How much does Jenny earn in a week if she sells 27 books?​

Use the multiplier method to incrases £258 by 43%

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

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?