Midland electronics is advertising that everything in their store is 10% off. if p represents the original price of an item in their store, then the sale price of the item can be represented by the expression p - 0.1p.
a. write an equivalent expression to represent the sale price of the item.
b. using complete sentences, describe how the sale price can be found in two different ways.

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Find the commission on a $590.00 sale if the commission is 15%.

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?