2.Una escalera de 73 dm de longitud está apoyada sobre la pared, como muestra la figura. El pie de la escalera dista 55 dm de la pared. Para saber a qué altura sobre el piso se apoya la parte superior de la escalera en la pared, se usa el teorema de Pitágoras.

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

How do you write something in scientific notation?

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?